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.
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.
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.
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.
17 import("//build/config/chrome_build.gni")
18 import("//build/config/chromecast_build.gni")
20 import("//build/config/android/config.gni")
25 enable_mdns = is_win || is_linux
27 enable_plugins = (!is_android && !is_ios) || is_chromecast
28 enable_pdf = !is_android && !is_ios && !is_chromecast
30 # Enables Native Client support.
31 # TODO(GYP): Get NaCl linking on other platforms.
32 # Also, see if we can always get rid of enable_nacl_untrusted and
33 # enable_pnacl and always build them if enable_nacl is true.
34 # The "is_nacl" part of the condition is needed to ensure that
35 # the untrusted code is built properly; arguably it should be
36 # guarded by "is_nacl" directly rather than enable_nacl_untrusted, but
37 # this will go away when Mac and Win are working and we can just use
38 # the commented out logic.
39 # Eventually we want this to be:
40 # enable_nacl = !is_ios && !is_android && !is_chromecast
41 enable_nacl = ((is_linux && !is_chromeos) || is_nacl) &&
42 current_cpu != "mipsel" && !is_chromecast
43 enable_nacl_untrusted = enable_nacl
44 enable_pnacl = enable_nacl_untrusted
46 # If debug_devtools is set to true, JavaScript files for DevTools are stored
47 # as is and loaded from disk. Otherwise, a concatenated file is stored in
48 # resources.pak. It is still possible to load JS files from disk by passing
49 # --debug-devtools cmdline switch.
50 debug_devtools = false
53 # TODO(GYP) make mac and android work.
54 enable_webrtc = !is_ios && !is_mac && !is_android
56 # Enables the Media Router.
57 enable_media_router = !is_ios
59 # Enables proprietary codecs and demuxers; e.g. H264, MOV, AAC, and MP3.
60 # Android OS includes support for proprietary codecs regardless of building
61 # Chromium or Google Chrome. We also ship Google Chrome and Chromecast with
63 proprietary_codecs = is_android || is_chrome_branded || is_chromecast
65 # TODO(GYP) This should be enabled on ios as well.
66 enable_configuration_policy = !is_ios
68 # Enables support for background apps.
69 enable_background = !is_ios && !is_android
71 enable_captive_portal_detection = !is_android && !is_ios
73 # Enables use of the session service, which is enabled by default.
74 # Android stores them separately on the Java side.
75 enable_session_service = !is_android && !is_ios
77 enable_plugin_installation = is_win || is_mac
79 enable_app_list = !is_ios && !is_android
81 enable_supervised_users = !is_ios
83 enable_autofill_dialog = !is_ios
85 enable_google_now = !is_ios && !is_android
87 enable_one_click_signin = is_win || is_mac || (is_linux && !is_chromeos)
89 enable_remoting = !is_ios && !is_android && !is_chromecast
91 # Enable hole punching for the protected video.
92 enable_video_hole = is_android || is_chromecast
94 # Enables browser side Content Decryption Modules. Required for embedders
95 # (e.g. Android and ChromeCast) that use a browser side CDM.
96 enable_browser_cdms = is_android || is_chromecast
98 # Hangout services is an extension that adds extra features to Hangouts.
99 # For official GYP builds, this flag is set.
100 enable_hangout_services_extension = false
102 # Variable safe_browsing is used to control the build time configuration
103 # for safe browsing feature. Safe browsing can be compiled in 4 different
104 # levels: 0 disables it, 1 enables it fully, and 2 enables only UI and
105 # reporting features for use with Data Saver on Mobile, and 3 enables
106 # extended mobile protection via an external API. When 3 is fully deployed,
109 safe_browsing_mode = 2
111 safe_browsing_mode = 0
113 safe_browsing_mode = 1
116 # Set to true make a build that disables activation of field trial tests
117 # specified in testing/variations/fieldtrial_testing_config_*.json.
118 # Note: this setting is ignored if is_chrome_branded.
119 fieldtrial_testing_like_official_build = is_chrome_branded
122 # Additional dependent variables -----------------------------------------------
124 # Set the version of CLD.
125 # 1: (DEPRECATED! See http://crbug.com/528305 for info) Use only CLD1.
129 if (is_android || is_ios) {
130 cld2_table_size = 0 # Small, accurate tables
132 cld2_table_size = 2 # Larger, more accurate tables
135 # libudev usage. This currently only affects the content layer.
136 use_udev = is_linux && !is_chromecast
138 # Enable the spell checker.
139 enable_spellcheck = !is_ios
141 # Use the operating system's spellchecker rather than hunspell.
142 use_browser_spellchecker = is_android || is_mac
144 # Enable basic printing support and UI.
145 enable_basic_printing = !is_chromeos && !is_chromecast
147 # Enable printing with print preview. It does not imply
148 # enable_basic_printing. It's possible to build Chrome with preview only.
149 enable_print_preview = !is_android && !is_chromecast
151 # Enables the use of CDMs in pepper plugins.
153 enable_plugins && (is_linux || is_mac || is_win) && !is_chromecast
155 # The seccomp-bpf sandbox is only supported on three architectures
157 # Do not disable seccomp_bpf anywhere without talking to
158 # security@chromium.org!
159 use_seccomp_bpf = (is_linux || is_android) &&
160 (current_cpu == "x86" || current_cpu == "x64" ||
161 current_cpu == "arm" || current_cpu == "mipsel")
163 # Enable notifications everywhere except iOS.
164 enable_notifications = !is_ios
166 # TODO(brettw) this should be moved to net and only dependents get this define.
167 disable_ftp_support = is_ios
169 enable_web_speech = !is_android && !is_ios
171 use_dbus = is_linux && !is_chromecast
173 enable_extensions = !is_android && !is_ios
175 enable_task_manager = !is_ios && !is_android
177 use_cups = (is_desktop_linux || is_mac) && !is_chromecast
179 enable_themes = !is_android && !is_ios
181 # TODO(scottmg) remove this when we've fixed printing.
182 win_pdf_metafile_for_printing = true
184 # Whether we are using the rlz library or not. Platforms like Android send
185 # rlz codes for searches but do not use the library.
186 enable_rlz_support = is_win || is_mac || is_ios || is_chromeos
187 enable_rlz = is_chrome_branded && enable_rlz_support
189 enable_settings_app = enable_app_list && !is_chromeos
191 enable_service_discovery = enable_mdns || is_mac
193 enable_wifi_bootstrapping = is_win || is_mac
195 # Image loader extension is enabled on ChromeOS only.
196 enable_image_loader_extension = is_chromeos
198 # Chrome OS: whether to also build the upcoming version of
199 # ChromeVox, which can then be enabled via a command-line switch.
200 enable_chromevox_next = false
202 # Use brlapi from brltty for braille display support.
203 use_brlapi = is_chromeos
205 # Option controlling the use of GConf (the classic GNOME configuration
207 use_gconf = is_linux && !is_chromeos && !is_chromecast
209 # Whether to back up data before sync.
210 enable_pre_sync_backup = is_win || is_mac || (is_linux && !is_chromeos)
212 # Enable WebVR support by default on Android
213 # Still requires command line flag to access API
214 enable_webvr = is_android