477 строки
14 KiB
Plaintext
477 строки
14 KiB
Plaintext
# Copyright (c) 2013 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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import("//build/config/allocator.gni")
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import("//build/config/chrome_build.gni")
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import("//build/config/chromecast_build.gni")
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import("//build/config/crypto.gni")
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import("//build/config/features.gni")
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import("//build/config/sanitizers/sanitizers.gni")
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import("//build/config/ui.gni")
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import("//build/toolchain/goma.gni")
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# One common error that happens is that GYP-generated headers within gen/ get
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# included rather than the GN-generated ones within gen/ subdirectories.
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# TODO(agrieve): Remove once GYP is gone (as well as exec_script exception).
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assert(
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exec_script("//build/dir_exists.py", [ "obj.host" ], "string") == "False",
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"GYP artifacts detected in $root_build_dir.$0x0A" +
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"You must wipe this directory before building with GN.")
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declare_args() {
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# When set (the default) enables C++ iterator debugging in debug builds.
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# Iterator debugging is always off in release builds (technically, this flag
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# affects the "debug" config, which is always available but applied by
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# default only in debug builds).
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#
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# Iterator debugging is generally useful for catching bugs. But it can
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# introduce extra locking to check the state of an iterator against the state
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# of the current object. For iterator- and thread-heavy code, this can
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# significantly slow execution.
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enable_iterator_debugging = true
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# Set to true to enable dcheck in Release builds.
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dcheck_always_on = false
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# Normally we try to decide whether to use precompiled headers or
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# not based on the other build arguments, but in some cases it is
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# easiest to force them off explicitly.
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disable_precompiled_headers = false
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}
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# TODO(brettw) Most of these should be removed. Instead of global feature
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# flags, we should have more modular flags that apply only to a target and its
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# dependents. For example, depending on the "x11" meta-target should define
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# USE_X11 for all dependents so that everything that could use X11 gets the
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# define, but anything that doesn't depend on X11 doesn't see it.
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#
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# For now we define these globally to match the current GYP build.
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config("feature_flags") {
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# TODO(brettw) this probably needs to be parameterized.
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defines = [
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"V8_DEPRECATION_WARNINGS", # Don't use deprecated V8 APIs anywhere.
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"CLD_VERSION=$cld_version",
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]
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if (enable_mdns) {
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defines += [ "ENABLE_MDNS=1" ]
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}
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if (enable_notifications) {
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defines += [ "ENABLE_NOTIFICATIONS" ]
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}
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if (enable_pepper_cdms) {
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# TODO(brettw) should probably be "=1"
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defines += [ "ENABLE_PEPPER_CDMS" ]
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}
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if (enable_browser_cdms) {
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# TODO(brettw) should probably be "=1"
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defines += [ "ENABLE_BROWSER_CDMS" ]
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}
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if (enable_plugins) {
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defines += [ "ENABLE_PLUGINS=1" ]
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}
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if (enable_pdf) {
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defines += [ "ENABLE_PDF=1" ]
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}
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if (enable_basic_printing || enable_print_preview) {
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# Convenience define for ENABLE_BASIC_PRINTING || ENABLE_PRINT_PREVIEW.
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defines += [ "ENABLE_PRINTING=1" ]
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if (enable_basic_printing) {
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# Enable basic printing support and UI.
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defines += [ "ENABLE_BASIC_PRINTING=1" ]
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}
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if (enable_print_preview) {
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# Enable printing with print preview.
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# Can be defined without ENABLE_BASIC_PRINTING.
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defines += [ "ENABLE_PRINT_PREVIEW=1" ]
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}
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}
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if (enable_spellcheck) {
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defines += [ "ENABLE_SPELLCHECK=1" ]
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}
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if (use_browser_spellchecker) {
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defines += [ "USE_BROWSER_SPELLCHECKER=1" ]
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}
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if (dcheck_always_on) {
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defines += [ "DCHECK_ALWAYS_ON=1" ]
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}
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if (use_udev) {
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# TODO(brettw) should probably be "=1".
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defines += [ "USE_UDEV" ]
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}
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if (ui_compositor_image_transport) {
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# TODO(brettw) should probably be "=1".
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defines += [ "UI_COMPOSITOR_IMAGE_TRANSPORT" ]
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}
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if (use_ash) {
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defines += [ "USE_ASH=1" ]
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}
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if (use_aura) {
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defines += [ "USE_AURA=1" ]
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}
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if (use_pango) {
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defines += [ "USE_PANGO=1" ]
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}
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if (use_cairo) {
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defines += [ "USE_CAIRO=1" ]
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}
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if (use_clipboard_aurax11) {
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defines += [ "USE_CLIPBOARD_AURAX11=1" ]
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}
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if (use_default_render_theme) {
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defines += [ "USE_DEFAULT_RENDER_THEME=1" ]
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}
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if (use_glib) {
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defines += [ "USE_GLIB=1" ]
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}
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if (use_openssl) {
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defines += [ "USE_OPENSSL=1" ]
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}
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if (use_openssl_certs) {
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defines += [ "USE_OPENSSL_CERTS=1" ]
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}
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if (use_nss_certs) {
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defines += [ "USE_NSS_CERTS=1" ]
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}
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if (use_nss_verifier) {
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defines += [ "USE_NSS_VERIFIER=1" ]
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}
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if (use_ozone) {
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defines += [ "USE_OZONE=1" ]
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}
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if (use_x11) {
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defines += [ "USE_X11=1" ]
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}
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if (use_allocator != "tcmalloc") {
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defines += [ "NO_TCMALLOC" ]
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}
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if (is_asan || is_lsan || is_tsan || is_msan) {
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defines += [
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"MEMORY_TOOL_REPLACES_ALLOCATOR",
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"MEMORY_SANITIZER_INITIAL_SIZE",
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]
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}
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if (is_asan) {
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defines += [ "ADDRESS_SANITIZER" ]
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}
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if (is_lsan) {
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defines += [
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"LEAK_SANITIZER",
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"WTF_USE_LEAK_SANITIZER=1",
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]
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}
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if (is_tsan) {
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defines += [
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"THREAD_SANITIZER",
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"DYNAMIC_ANNOTATIONS_EXTERNAL_IMPL=1",
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"WTF_USE_DYNAMIC_ANNOTATIONS_NOIMPL=1",
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]
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}
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if (is_msan) {
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defines += [ "MEMORY_SANITIZER" ]
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}
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if (is_ubsan || is_ubsan_vptr || is_ubsan_security) {
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defines += [ "UNDEFINED_SANITIZER" ]
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}
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if (enable_webrtc) {
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defines += [ "ENABLE_WEBRTC=1" ]
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}
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if (!enable_nacl) {
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defines += [ "DISABLE_NACL" ]
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}
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if (enable_extensions) {
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defines += [ "ENABLE_EXTENSIONS=1" ]
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}
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if (enable_task_manager) {
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defines += [ "ENABLE_TASK_MANAGER=1" ]
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}
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if (enable_themes) {
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defines += [ "ENABLE_THEMES=1" ]
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}
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if (enable_captive_portal_detection) {
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defines += [ "ENABLE_CAPTIVE_PORTAL_DETECTION=1" ]
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}
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if (enable_session_service) {
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defines += [ "ENABLE_SESSION_SERVICE=1" ]
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}
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if (enable_rlz) {
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defines += [ "ENABLE_RLZ" ]
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}
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if (enable_plugin_installation) {
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defines += [ "ENABLE_PLUGIN_INSTALLATION=1" ]
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}
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if (enable_app_list) {
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defines += [ "ENABLE_APP_LIST=1" ]
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}
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if (enable_settings_app) {
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defines += [ "ENABLE_SETTINGS_APP=1" ]
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}
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if (enable_supervised_users) {
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defines += [ "ENABLE_SUPERVISED_USERS=1" ]
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}
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if (enable_service_discovery) {
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defines += [ "ENABLE_SERVICE_DISCOVERY=1" ]
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}
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if (enable_autofill_dialog) {
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defines += [ "ENABLE_AUTOFILL_DIALOG=1" ]
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}
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if (enable_image_loader_extension) {
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defines += [ "IMAGE_LOADER_EXTENSION=1" ]
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}
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if (enable_topchrome_md) {
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defines += [ "ENABLE_TOPCHROME_MD=1" ]
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}
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if (enable_wayland_server) {
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defines += [ "ENABLE_WAYLAND_SERVER=1" ]
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}
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if (enable_wifi_display) {
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defines += [ "ENABLE_WIFI_DISPLAY=1" ]
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}
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if (proprietary_codecs) {
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defines += [ "USE_PROPRIETARY_CODECS" ]
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}
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if (enable_hangout_services_extension) {
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defines += [ "ENABLE_HANGOUT_SERVICES_EXTENSION=1" ]
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}
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if (enable_video_hole) {
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defines += [ "VIDEO_HOLE=1" ]
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}
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if (safe_browsing_mode == 1) {
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defines += [ "FULL_SAFE_BROWSING" ]
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defines += [ "SAFE_BROWSING_CSD" ]
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defines += [ "SAFE_BROWSING_DB_LOCAL" ]
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} else if (safe_browsing_mode == 2) {
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defines += [ "SAFE_BROWSING_DB_REMOTE" ]
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}
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if (is_official_build) {
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defines += [ "OFFICIAL_BUILD" ]
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}
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if (is_chrome_branded) {
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defines += [ "GOOGLE_CHROME_BUILD" ]
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} else {
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defines += [ "CHROMIUM_BUILD" ]
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}
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if (enable_media_router) {
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defines += [ "ENABLE_MEDIA_ROUTER=1" ]
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}
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if (enable_webvr) {
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defines += [ "ENABLE_WEBVR" ]
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}
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if (is_syzyasan) {
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defines += [
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"SYZYASAN",
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"MEMORY_TOOL_REPLACES_ALLOCATOR",
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"MEMORY_SANITIZER_INITIAL_SIZE",
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]
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}
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if (!fieldtrial_testing_like_official_build && !is_chrome_branded) {
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defines += [ "FIELDTRIAL_TESTING_ENABLED" ]
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}
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}
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# Debug/release ----------------------------------------------------------------
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config("debug") {
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defines = [
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"_DEBUG",
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"DYNAMIC_ANNOTATIONS_ENABLED=1",
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"WTF_USE_DYNAMIC_ANNOTATIONS=1",
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]
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if (is_nacl) {
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defines += [ "DYNAMIC_ANNOTATIONS_PREFIX=NACL_" ]
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}
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if (is_win) {
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if (!enable_iterator_debugging) {
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# Iterator debugging is enabled by default by the compiler on debug
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# builds, and we have to tell it to turn it off.
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defines += [ "_HAS_ITERATOR_DEBUGGING=0" ]
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}
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} else if (is_linux && current_cpu == "x64" && enable_iterator_debugging) {
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# Enable libstdc++ debugging facilities to help catch problems early, see
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# http://crbug.com/65151 .
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# TODO(phajdan.jr): Should we enable this for all of POSIX?
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defines += [ "_GLIBCXX_DEBUG=1" ]
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}
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}
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config("release") {
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defines = [ "NDEBUG" ]
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# Sanitizers.
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# TODO(GYP) The GYP build has "release_valgrind_build == 0" for this
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# condition. When Valgrind is set up, we need to do the same here.
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if (is_tsan) {
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defines += [
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"DYNAMIC_ANNOTATIONS_ENABLED=1",
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"WTF_USE_DYNAMIC_ANNOTATIONS=1",
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]
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} else {
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defines += [ "NVALGRIND" ]
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if (!is_nacl) {
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# NaCl always enables dynamic annotations. Currently this value is set to
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# 1 for all .nexes.
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defines += [ "DYNAMIC_ANNOTATIONS_ENABLED=0" ]
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}
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}
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}
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# Default libraries ------------------------------------------------------------
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# This config defines the default libraries applied to all targets.
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config("default_libs") {
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if (is_win) {
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# TODO(brettw) this list of defaults should probably be smaller, and
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# instead the targets that use the less common ones (e.g. wininet or
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# winspool) should include those explicitly.
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libs = [
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"advapi32.lib",
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"comdlg32.lib",
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"dbghelp.lib",
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"delayimp.lib",
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"dnsapi.lib",
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"gdi32.lib",
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"kernel32.lib",
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"msimg32.lib",
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"odbc32.lib",
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"odbccp32.lib",
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"ole32.lib",
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"oleaut32.lib",
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"psapi.lib",
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"shell32.lib",
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"shlwapi.lib",
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"user32.lib",
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"usp10.lib",
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"uuid.lib",
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"version.lib",
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"wininet.lib",
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"winmm.lib",
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"winspool.lib",
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"ws2_32.lib",
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# Please don't add more stuff here. We should actually be making this
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# list smaller, since all common things should be covered. If you need
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# some extra libraries, please just add a libs = [ "foo.lib" ] to your
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# target that needs it.
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]
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} else if (is_android) {
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libs = [
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"dl",
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"m",
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]
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} else if (is_mac) {
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libs = [
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"AppKit.framework",
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"ApplicationServices.framework",
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"Carbon.framework",
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"CoreFoundation.framework",
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"Foundation.framework",
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"IOKit.framework",
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"OpenGL.framework",
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"Security.framework",
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]
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} else if (is_ios) {
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# The libraries listed here will be specified for both the target and the
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# host. Only the common ones should be listed here.
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libs = [
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"CoreFoundation.framework",
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"CoreGraphics.framework",
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"CoreText.framework",
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"Foundation.framework",
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]
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} else if (is_linux) {
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libs = [
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"dl",
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"rt",
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]
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}
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}
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# Executable configs -----------------------------------------------------------
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# Windows linker setup for EXEs and DLLs.
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if (is_win) {
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_windows_linker_configs = [
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"//build/config/win:sdk_link",
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"//build/config/win:common_linker_setup",
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]
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}
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# This config defines the configs applied to all executables.
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config("executable_config") {
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configs = []
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if (is_win) {
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configs += _windows_linker_configs
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} else if (is_mac) {
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configs += [
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"//build/config/mac:mac_dynamic_flags",
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"//build/config/mac:mac_executable_flags",
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]
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} else if (is_linux || is_android) {
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configs += [ "//build/config/gcc:executable_ldconfig" ]
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if (is_android) {
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configs += [ "//build/config/android:executable_config" ]
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} else if (is_chromecast) {
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configs += [ "//build/config/chromecast:executable_config" ]
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}
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}
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}
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# Shared library configs -------------------------------------------------------
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# This config defines the configs applied to all shared libraries.
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config("shared_library_config") {
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configs = []
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if (is_win) {
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configs += _windows_linker_configs
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} else if (is_mac) {
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configs += [ "//build/config/mac:mac_dynamic_flags" ]
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} else if (is_chromecast) {
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configs += [ "//build/config/chromecast:shared_library_config" ]
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}
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}
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# Add this config to your target to enable precompiled headers.
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#
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# Precompiled headers are done on a per-target basis. If you have just a couple
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# of files, the time it takes to precompile (~2 seconds) can actually be longer
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# than the time saved. On a Z620, a 100 file target compiles about 2 seconds
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# faster with precompiled headers, with greater savings for larger targets.
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#
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# Recommend precompiled headers for targets with more than 50 .cc files.
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config("precompiled_headers") {
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if (!is_official_build && !use_goma && !disable_precompiled_headers) {
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if (is_win) {
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# This is a string rather than a file GN knows about. It has to match
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# exactly what's in the /FI flag below, and what might appear in the
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# source code in quotes for an #include directive.
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precompiled_header = "build/precompile.h"
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# This is a file that GN will compile with the above header. It will be
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# implicitly added to the sources (potentially multiple times, with one
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# variant for each language used in the target).
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precompiled_source = "//build/precompile.cc"
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# Force include the header.
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cflags = [ "/FI$precompiled_header" ]
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# Disable warning for "this file was empty after preprocessing". This
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# error is generated only in C mode for ANSI compatibility. It conflicts
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# with precompiled headers since the source file that's "compiled" for
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# making the precompiled header is empty.
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#
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# This error doesn't happen every time. In VS2013, it seems if the .pch
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# file doesn't exist, no error will be generated (probably MS tested this
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# case but forgot the other one?). To reproduce this error, do a build,
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# then delete the precompile.c.obj file, then build again.
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cflags_c = [ "/wd4206" ]
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} else if (is_mac) {
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precompiled_header = "build/precompile.h"
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precompiled_source = "//build/precompile.h"
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}
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}
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}
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