216 строки
7.5 KiB
Plaintext
216 строки
7.5 KiB
Plaintext
# Copyright 2014 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# This file contains Chrome-feature-related build flags (see ui.gni for
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# UI-related ones). These should theoretically be moved to the build files of
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# the features themselves.
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#
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# However, today we have many "bad" dependencies on some of these flags from,
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# e.g. base, so they need to be global to match the GYP configuration. Also,
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# anything that needs a grit define must be in either this file or ui.gni.
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#
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# PLEASE TRY TO AVOID ADDING FLAGS TO THIS FILE in cases where grit isn't
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# required. See the declare_args block of BUILDCONFIG.gn for advice on how
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# to set up feature flags.
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import("//build/config/chrome_build.gni")
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if (is_android) {
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import("//build/config/android/config.gni")
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}
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declare_args() {
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# Multicast DNS.
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enable_mdns = is_win || is_linux
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enable_plugins = !is_android && !is_ios
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enable_pdf = !is_android && !is_ios
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# Enables Native Client support.
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# TODO(GYP): Get NaCl linking on other platforms.
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# Also, see if we can always get rid of enable_nacl_untrusted and
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# enable_pnacl and always build them if enable_nacl is true.
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# The "is_nacl" part of the condition is needed to ensure that
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# the untrusted code is built properly; arguably it should be
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# guarded by "is_nacl" directly rather than enable_nacl_untrusted, but
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# this will go away when Mac and Win are working and we can just use
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# the commented out logic.
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# Eventually we want this to be:
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# enable_nacl = !is_ios && !is_android
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enable_nacl =
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((is_linux && !is_chromeos) || is_nacl) && current_cpu != "mipsel"
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enable_nacl_untrusted = enable_nacl
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enable_pnacl = enable_nacl_untrusted
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# If debug_devtools is set to true, JavaScript files for DevTools are stored
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# as is and loaded from disk. Otherwise, a concatenated file is stored in
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# resources.pak. It is still possible to load JS files from disk by passing
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# --debug-devtools cmdline switch.
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debug_devtools = false
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# Enables WebRTC.
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# TODO(GYP) make mac and android work.
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enable_webrtc = !is_ios && !is_mac && !is_android
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# Enables the Media Router.
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enable_media_router = !is_ios
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# Enables proprietary codecs and demuxers; e.g. H264, MOV, AAC, and MP3.
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# Android OS includes support for proprietary codecs regardless of building
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# Chromium or Google Chrome. We also ship Google Chrome and Chromecast with
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# proprietary codecs.
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# TODO(GYP) The GYP build has || chromecast==1 for this:
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proprietary_codecs = is_android || is_chrome_branded
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# TODO(GYP) This should be enabled on ios as well.
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enable_configuration_policy = !is_ios
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# Enables support for background apps.
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enable_background = !is_ios && !is_android
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enable_captive_portal_detection = !is_android && !is_ios
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# Enables use of the session service, which is enabled by default.
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# Android stores them separately on the Java side.
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enable_session_service = !is_android && !is_ios
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enable_plugin_installation = is_win || is_mac
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enable_app_list = !is_ios && !is_android
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enable_supervised_users = !is_ios
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enable_autofill_dialog = !is_ios
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enable_google_now = !is_ios && !is_android
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enable_one_click_signin = is_win || is_mac || (is_linux && !is_chromeos)
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enable_remoting = !is_ios && !is_android
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# Enable hole punching for the protected video.
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enable_video_hole = is_android
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# Enables browser side Content Decryption Modules. Required for embedders
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# (e.g. Android and ChromeCast) that use a browser side CDM.
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enable_browser_cdms = is_android
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# Hangout services is an extension that adds extra features to Hangouts.
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# For official GYP builds, this flag is set.
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enable_hangout_services_extension = false
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# Enables the use of CDMs in pepper plugins. Chromecast requires that this
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# can be explicitly disabled in gn args.
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enable_pepper_cdms = enable_plugins && (is_linux || is_mac || is_win)
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# Variable safe_browsing is used to control the build time configuration
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# for safe browsing feature. Safe browsing can be compiled in 4 different
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# levels: 0 disables it, 1 enables it fully, and 2 enables only UI and
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# reporting features for use with Data Saver on Mobile, and 3 enables
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# extended mobile protection via an external API. When 3 is fully deployed,
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# it will replace 2.
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if (is_android) {
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safe_browsing_mode = 2
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} else if (is_ios) {
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safe_browsing_mode = 0
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} else {
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safe_browsing_mode = 1
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}
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# Set to true make a build that disables activation of field trial tests
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# specified in testing/variations/fieldtrial_testing_config_*.json.
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# Note: this setting is ignored if is_chrome_branded.
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fieldtrial_testing_like_official_build = is_chrome_branded
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}
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# Additional dependent variables -----------------------------------------------
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# Set the version of CLD.
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# 1: (DEPRECATED! See http://crbug.com/528305 for info) Use only CLD1.
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# 2: Use only CLD2.
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cld_version = 2
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if (is_android || is_ios) {
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cld2_table_size = 0 # Small, accurate tables
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} else {
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cld2_table_size = 2 # Larger, more accurate tables
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}
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# libudev usage. This currently only affects the content layer.
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use_udev = is_linux
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# Enable the spell checker.
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enable_spellcheck = !is_ios
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# Use the operating system's spellchecker rather than hunspell.
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use_browser_spellchecker = is_android || is_mac
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# Enable basic printing support and UI.
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enable_basic_printing = !is_chromeos
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# Enable printing with print preview. It does not imply
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# enable_basic_printing. It's possible to build Chrome with preview only.
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enable_print_preview = !is_android
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# The seccomp-bpf sandbox is only supported on three architectures
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# currently.
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# Do not disable seccomp_bpf anywhere without talking to
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# security@chromium.org!
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use_seccomp_bpf = (is_linux || is_android) &&
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(current_cpu == "x86" || current_cpu == "x64" ||
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current_cpu == "arm" || current_cpu == "mipsel")
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# Enable notifications everywhere except iOS.
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enable_notifications = !is_ios
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# TODO(brettw) this should be moved to net and only dependents get this define.
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disable_ftp_support = is_ios
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enable_web_speech = !is_android && !is_ios
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use_dbus = is_linux
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enable_extensions = !is_android && !is_ios
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enable_task_manager = !is_ios && !is_android
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use_cups = is_desktop_linux || is_mac
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enable_themes = !is_android && !is_ios
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# TODO(scottmg) remove this when we've fixed printing.
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win_pdf_metafile_for_printing = true
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# Whether we are using the rlz library or not. Platforms like Android send
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# rlz codes for searches but do not use the library.
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enable_rlz_support = is_win || is_mac || is_ios || is_chromeos
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enable_rlz = is_chrome_branded && enable_rlz_support
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enable_settings_app = enable_app_list && !is_chromeos
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enable_service_discovery = enable_mdns || is_mac
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enable_wifi_bootstrapping = is_win || is_mac
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# Image loader extension is enabled on ChromeOS only.
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enable_image_loader_extension = is_chromeos
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# Chrome OS: whether to also build the upcoming version of
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# ChromeVox, which can then be enabled via a command-line switch.
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enable_chromevox_next = false
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# Use brlapi from brltty for braille display support.
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use_brlapi = is_chromeos
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# Option controlling the use of GConf (the classic GNOME configuration
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# system).
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# TODO(GYP) also require !embedded to enable.
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use_gconf = is_linux && !is_chromeos
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# Whether to back up data before sync.
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enable_pre_sync_backup = is_win || is_mac || (is_linux && !is_chromeos)
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# Enable WebVR support by default on Android
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# Still requires command line flag to access API
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enable_webvr = is_android
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