1 # Copyright 2014 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 # This file contains Chrome-feature-related build flags (see ui.gni for 6 # UI-related ones). These should theoretically be moved to the build files of 7 # the features themselves. 8 # 9 # However, today we have many "bad" dependencies on some of these flags from, 10 # e.g. base, so they need to be global to match the GYP configuration. Also, 11 # anything that needs a grit define must be in either this file or ui.gni. 12 # 13 # PLEASE TRY TO AVOID ADDING FLAGS TO THIS FILE in cases where grit isn't 14 # required. See the declare_args block of BUILDCONFIG.gn for advice on how 15 # to set up feature flags. 16 17 import("//build/config/chrome_build.gni") 18 import("//build/config/chromecast_build.gni") 19 if (is_android) { 20 import("//build/config/android/config.gni") 21 } 22 23 declare_args() { 24 # Multicast DNS. 25 enable_mdns = is_win || is_linux 26 27 enable_extensions = !is_android && !is_ios 28 enable_plugins = (!is_android && !is_ios) || is_chromecast 29 enable_pdf = !is_android && !is_ios && !is_chromecast 30 31 # Enables Native Client support. 32 # TODO(mcgrathr): When mipsel-nacl-clang is available, drop the exclusion. 33 enable_nacl = 34 !is_ios && !is_android && !is_chromecast && current_cpu != "mipsel" 35 36 # If debug_devtools is set to true, JavaScript files for DevTools are stored 37 # as is and loaded from disk. Otherwise, a concatenated file is stored in 38 # resources.pak. It is still possible to load JS files from disk by passing 39 # --debug-devtools cmdline switch. 40 debug_devtools = false 41 42 # Enables WebRTC. 43 enable_webrtc = !is_ios 44 45 # Enables the Media Router. 46 enable_media_router = !is_ios 47 48 # Enables proprietary codecs and demuxers; e.g. H264, AAC, MP3, and MP4. 49 # We always build Google Chrome and Chromecast with proprietary codecs. 50 proprietary_codecs = is_chrome_branded || is_chromecast 51 52 enable_captive_portal_detection = !is_android && !is_ios 53 54 # Enables use of the session service, which is enabled by default. 55 # Android stores them separately on the Java side. 56 enable_session_service = !is_android && !is_ios 57 58 enable_plugin_installation = is_win || is_mac 59 60 enable_app_list = !is_ios && !is_android && !is_chromecast 61 62 enable_supervised_users = !is_ios 63 64 enable_remoting = !is_ios && !is_chromecast 65 66 # Enable hole punching for the protected video. 67 enable_video_hole = is_android 68 69 # Enables browser side Content Decryption Modules. Required for embedders 70 # (e.g. Android and ChromeCast) that use a browser side CDM. 71 enable_browser_cdms = is_android || is_chromecast 72 73 # Hangout services is an extension that adds extra features to Hangouts. 74 # For official GYP builds, this flag is set. 75 enable_hangout_services_extension = false 76 77 # Variable safe_browsing is used to control the build time configuration for 78 # safe browsing feature. Safe browsing can be compiled in 3 different levels: 79 # 0 disables it, 1 enables it fully, and 2 enables mobile protection via an 80 # external API. 81 if (is_android) { 82 safe_browsing_mode = 2 83 } else if (is_ios) { 84 safe_browsing_mode = 0 85 } else { 86 safe_browsing_mode = 1 87 } 88 89 # Set to true make a build that disables activation of field trial tests 90 # specified in testing/variations/fieldtrial_testing_config_*.json. 91 # Note: this setting is ignored if is_chrome_branded. 92 fieldtrial_testing_like_official_build = is_chrome_branded 93 94 use_cups = (is_desktop_linux || is_mac) && !is_chromecast 95 96 # Enables Wi-Fi Display functionality 97 # WARNING: This enables MPEG Transport Stream (MPEG-TS) encoding! 98 enable_wifi_display = false 99 100 # libudev usage. This currently only affects the content layer. 101 use_udev = is_linux && !is_chromecast 102 103 use_dbus = is_linux && !is_chromecast 104 105 # Option controlling the use of GConf (the classic GNOME configuration 106 # system). 107 use_gconf = is_linux && !is_chromeos && !is_chromecast 108 109 use_gio = is_linux && !is_chromeos && !is_chromecast 110 111 # Enable basic printing support and UI. 112 enable_basic_printing = !is_chromeos && !is_chromecast && !is_ios 113 114 # Enable printing with print preview. It does not imply 115 # enable_basic_printing. It's possible to build Chrome with preview only. 116 enable_print_preview = !is_android && !is_chromecast && !is_ios 117 } 118 119 # Additional dependent variables ----------------------------------------------- 120 121 # Enable the spell checker. 122 enable_spellcheck = !is_ios 123 124 # Use the operating system's spellchecker rather than hunspell. 125 use_browser_spellchecker = is_android || is_mac 126 127 # Enables the use of CDMs in pepper plugins. 128 enable_pepper_cdms = 129 enable_plugins && (is_linux || is_mac || is_win) && !is_chromecast 130 131 # The seccomp-bpf sandbox is only supported on five architectures 132 # currently. 133 # Do not disable seccomp_bpf anywhere without talking to 134 # security (a] chromium.org! 135 use_seccomp_bpf = 136 (is_linux || is_android) && 137 (current_cpu == "x86" || current_cpu == "x64" || current_cpu == "arm" || 138 current_cpu == "arm64" || current_cpu == "mipsel") 139 140 # Enable notifications everywhere except iOS. 141 enable_notifications = !is_ios 142 143 enable_web_speech = !is_android && !is_ios 144 145 enable_task_manager = !is_ios && !is_android 146 147 enable_themes = !is_android && !is_ios 148 149 # Whether we are using the rlz library or not. Platforms like Android send 150 # rlz codes for searches but do not use the library. 151 enable_rlz_support = is_win || is_mac || is_ios || is_chromeos 152 enable_rlz = is_chrome_branded && enable_rlz_support 153 154 enable_settings_app = enable_app_list && !is_chromeos 155 156 enable_service_discovery = enable_mdns || is_mac 157 158 # Image loader extension is enabled on ChromeOS only. 159 enable_image_loader_extension = is_chromeos 160 161 # Chrome OS: whether to also build the upcoming version of 162 # ChromeVox, which can then be enabled via a command-line switch. 163 enable_chromevox_next = false 164 165 # Use brlapi from brltty for braille display support. 166 use_brlapi = is_chromeos 167 168 # Enable WebVR support by default on Android 169 # Still requires command line flag to access API 170 enable_webvr = is_android 171 172 enable_configuration_policy = !is_ios 173
