Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 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@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 |