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")
19 import("//build/config/android/config.gni")
24 enable_mdns = is_win || is_linux
26 enable_plugins = !is_android && !is_ios
27 enable_pdf = !is_android && !is_ios
29 # Enables Native Client support.
30 # TODO(GYP): Get NaCl linking on other platforms.
31 # Also, see if we can always get rid of enable_nacl_untrusted and
32 # enable_pnacl and always build them if enable_nacl is true.
33 # The "is_nacl" part of the condition is needed to ensure that
34 # the untrusted code is built properly; arguably it should be
35 # guarded by "is_nacl" directly rather than enable_nacl_untrusted, but
36 # this will go away when Mac and Win are working and we can just use
37 # the commented out logic.
38 # Eventually we want this to be:
39 # enable_nacl = !is_ios && !is_android
40 enable_nacl = (is_linux && !is_chromeos && current_cpu == "x64") || is_nacl
41 enable_nacl_untrusted = enable_nacl
42 enable_pnacl = enable_nacl_untrusted
44 # If debug_devtools is set to true, JavaScript files for DevTools are stored
45 # as is and loaded from disk. Otherwise, a concatenated file is stored in
46 # resources.pak. It is still possible to load JS files from disk by passing
47 # --debug-devtools cmdline switch.
48 debug_devtools = false
51 # TODO(GYP) make mac and android work.
52 enable_webrtc = !is_ios && !is_mac && !is_android
54 # Enables the Media Router.
55 enable_media_router = !is_ios
57 # Enables proprietary codecs and demuxers; e.g. H264, MOV, AAC, and MP3.
58 # Android OS includes support for proprietary codecs regardless of building
59 # Chromium or Google Chrome. We also ship Google Chrome and Chromecast with
61 # TODO(GYP) The GYP build has || chromecast==1 for this:
62 proprietary_codecs = is_android || is_chrome_branded
64 # TODO(GYP) This should be enabled on ios as well.
65 enable_configuration_policy = !is_ios
67 # Enables support for background apps.
68 enable_background = !is_ios && !is_android
70 enable_captive_portal_detection = !is_android && !is_ios
72 # Enables use of the session service, which is enabled by default.
73 # Android stores them separately on the Java side.
74 enable_session_service = !is_android && !is_ios
76 enable_plugin_installation = is_win || is_mac
78 enable_app_list = !is_ios && !is_android
80 enable_supervised_users = !is_ios
82 enable_autofill_dialog = !is_ios
84 enable_google_now = !is_ios && !is_android
86 enable_one_click_signin = is_win || is_mac || (is_linux && !is_chromeos)
88 enable_remoting = !is_ios && !is_android
90 # Enable hole punching for the protected video.
91 enable_video_hole = is_android
93 # Enables browser side Content Decryption Modules. Required for embedders
94 # (e.g. Android and ChromeCast) that use a browser side CDM.
95 enable_browser_cdms = is_android
97 # Hangout services is an extension that adds extra features to Hangouts.
98 # For official GYP builds, this flag is set.
99 enable_hangout_services_extension = false
101 # Enables the use of CDMs in pepper plugins. Chromecast requires that this
102 # can be explicitly disabled in gn args.
103 enable_pepper_cdms = enable_plugins && (is_linux || is_mac || is_win)
105 # Variable safe_browsing is used to control the build time configuration
106 # for safe browsing feature. Safe browsing can be compiled in 4 different
107 # levels: 0 disables it, 1 enables it fully, and 2 enables only UI and
108 # reporting features for use with Data Saver on Mobile, and 3 enables
109 # extended mobile protection via an external API. When 3 is fully deployed,
112 safe_browsing_mode = 2
114 safe_browsing_mode = 0
116 safe_browsing_mode = 1
119 # Set to true make a build that disables activation of field trial tests
120 # specified in testing/variations/fieldtrial_testing_config_*.json.
121 # Note: this setting is ignored if is_chrome_branded.
122 fieldtrial_testing_like_official_build = is_chrome_branded
125 # Additional dependent variables -----------------------------------------------
127 # Set the version of CLD.
128 # 1: (DEPRECATED! See http://crbug.com/528305 for info) Use only CLD1.
132 if (is_android || is_ios) {
133 cld2_table_size = 0 # Small, accurate tables
135 cld2_table_size = 2 # Larger, more accurate tables
138 # libudev usage. This currently only affects the content layer.
141 # Enable the spell checker.
142 enable_spellcheck = !is_ios
144 # Use the operating system's spellchecker rather than hunspell.
145 use_browser_spellchecker = is_android || is_mac
147 # Enable basic printing support and UI.
148 enable_basic_printing = !is_chromeos
150 # Enable printing with print preview. It does not imply
151 # enable_basic_printing. It's possible to build Chrome with preview only.
152 enable_print_preview = !is_android
154 # The seccomp-bpf sandbox is only supported on three architectures
156 # Do not disable seccomp_bpf anywhere without talking to
157 # security@chromium.org!
158 use_seccomp_bpf = (is_linux || is_android) &&
159 (current_cpu == "x86" || current_cpu == "x64" ||
160 current_cpu == "arm" || current_cpu == "mipsel")
162 # Enable notifications everywhere except iOS.
163 enable_notifications = !is_ios
165 # TODO(brettw) this should be moved to net and only dependents get this define.
166 disable_ftp_support = is_ios
168 enable_web_speech = !is_android && !is_ios
172 enable_extensions = !is_android && !is_ios
174 enable_task_manager = !is_ios && !is_android
176 use_cups = is_desktop_linux || is_mac
178 enable_themes = !is_android && !is_ios
180 # TODO(scottmg) remove this when we've fixed printing.
181 win_pdf_metafile_for_printing = true
183 # Whether we are using the rlz library or not. Platforms like Android send
184 # rlz codes for searches but do not use the library.
185 enable_rlz_support = is_win || is_mac || is_ios || is_chromeos
186 enable_rlz = is_chrome_branded && enable_rlz_support
188 enable_settings_app = enable_app_list && !is_chromeos
190 enable_service_discovery = enable_mdns || is_mac
192 enable_wifi_bootstrapping = is_win || is_mac
194 # Image loader extension is enabled on ChromeOS only.
195 enable_image_loader_extension = is_chromeos
197 # Chrome OS: whether to also build the upcoming version of
198 # ChromeVox, which can then be enabled via a command-line switch.
199 enable_chromevox_next = false
201 # Use brlapi from brltty for braille display support.
202 use_brlapi = is_chromeos
204 # Option controlling the use of GConf (the classic GNOME configuration
206 # TODO(GYP) also require !embedded to enable.
207 use_gconf = is_linux && !is_chromeos
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