339 lines
9.5 KiB
Plaintext
339 lines
9.5 KiB
Plaintext
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# 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/c++/c++.gni")
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import("//build/config/coverage/coverage.gni")
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import("//build/config/features.gni")
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import("//build/config/sanitizers/sanitizers.gni")
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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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}
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# ==============================================
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# PLEASE DO NOT ADD MORE THINGS TO THIS LIST
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# ==============================================
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#
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# Legacy feature defines applied to all targets.
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#
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# These are applied to every single compile in the build and most of them are
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# only relevant to a few files. This bloats command lines and causes
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# unnecessary recompiles when flags are flipped.
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#
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# To pass defines to source code from the build, use the buildflag system which
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# will write headers containing the defines you need. This isolates the define
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# and means its definition can participate in the build graph, only recompiling
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# things when it actually changes.
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#
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# See //build/buildflag_header.gni for instructions on generating headers.
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#
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# This will also allow you to scope your build flag to a BUILD.gn file (or a
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# .gni file if you need it from more than one place) rather than making global
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# flags. See //build/config/BUILDCONFIG.gn for advice on where to define
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# build flags.
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config("feature_flags") {
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# Don't use deprecated V8 APIs anywhere.
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defines = [ "V8_DEPRECATION_WARNINGS" ]
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if (use_udev) {
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defines += [ "USE_UDEV" ]
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}
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if (is_win || is_linux) {
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defines += [ "USE_AURA=1" ]
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}
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if (is_linux) {
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defines += [
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"USE_GLIB=1",
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"USE_NSS_CERTS=1",
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"USE_X11=1",
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]
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}
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if ((is_asan || is_lsan || is_tsan || is_msan) && using_sanitizer) {
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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 && using_sanitizer) {
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defines += [ "ADDRESS_SANITIZER" ]
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}
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if (is_lsan) {
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defines += [ "LEAK_SANITIZER" ]
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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_null || is_ubsan_vptr || is_ubsan_security) {
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defines += [ "UNDEFINED_SANITIZER" ]
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}
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if (use_clang_coverage) {
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defines += [ "CLANG_COVERAGE" ]
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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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# ==============================================
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# PLEASE DO NOT ADD MORE THINGS TO THIS LIST
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# ==============================================
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#
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# See the comment at the top.
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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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"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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# 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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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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libs = [
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"advapi32.lib",
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"comdlg32.lib",
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"dbghelp.lib",
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"dnsapi.lib",
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"gdi32.lib",
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"msimg32.lib",
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"odbc32.lib",
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"odbccp32.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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if (current_os == "winuwp") {
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# These libraries are needed for Windows UWP (i.e. store apps).
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libs += [
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"dloadhelper.lib",
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"WindowsApp.lib",
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]
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} else {
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# These libraries are not compatible with Windows UWP (i.e. store apps.)
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libs += [
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"delayimp.lib",
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"kernel32.lib",
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"ole32.lib",
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]
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}
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} else if (is_ohos) {
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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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# Targets should choose to explicitly link frameworks they require. Since
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# linking can have run-time side effects, nothing should be listed here.
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libs = []
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} else if (is_linux) {
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libs = [
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"dl",
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"pthread",
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"rt",
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]
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}
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}
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# Only //build/config/BUILDCONFIG.gn should reference this.
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group("common_deps") {
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public_deps = []
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if (using_sanitizer) {
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public_deps += [ "//build/config/sanitizers:deps" ]
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}
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if (use_custom_libcxx) {
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if (is_double_framework) {
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public_deps += [ "${asdk_libs_dir}/ndk/libcxx:libcxx" ]
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} else {
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public_deps += [ "//third_party/libcxx:libcxx" ]
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}
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}
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if (use_afl) {
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public_deps += [ "//third_party/afl" ]
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}
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if (is_ohos && use_order_profiling) {
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public_deps += []
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}
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if (use_musl && current_toolchain != host_toolchain && !is_mingw) {
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public_deps += [ "//third_party/musl:soft_shared_libs" ]
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}
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}
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group("executable_deps") {
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public_deps = [ ":common_deps" ]
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if (export_libcxxabi_from_executables) {
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if (!is_double_framework) {
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public_deps += [ "//third_party/libcxxabi:libc++abi" ]
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}
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}
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}
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group("loadable_module_deps") {
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public_deps = [ ":common_deps" ]
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}
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group("shared_library_deps") {
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public_deps = [ ":common_deps" ]
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}
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group("rust_library_deps") {
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public_deps = [ ":common_deps" ]
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}
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group("rust_proc_macro_deps") {
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public_deps = [ ":common_deps" ]
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}
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group("static_library_deps") {
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if (use_musl && current_toolchain != host_toolchain && !is_mingw) {
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public_deps = [ "//third_party/musl:musl_headers" ]
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}
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}
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group("source_set_deps") {
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if (use_musl && current_toolchain != host_toolchain && !is_mingw) {
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public_deps = [ "//third_party/musl:musl_headers" ]
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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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# Currently only turn on linker CFI for executables.
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configs += [ "//build/config/win:cfi_linker" ]
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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_linux || is_ohos || current_os == "aix") {
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configs += [ "//build/config/gcc:executable_ldconfig" ]
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if (is_ohos) {
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configs += [ "//build/config/ohos:executable_config" ]
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} else if (is_linux) {
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configs += [ "//build/config/linux:executable_config" ]
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}
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}
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# If we're using the prebuilt instrumented libraries with the sanitizers, we
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# need to add ldflags to every binary to make sure they are picked up.
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if (prebuilt_instrumented_libraries_available) {
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configs += [ "//third_party/instrumented_libraries:prebuilt_ldflags" ]
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}
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if (use_locally_built_instrumented_libraries) {
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configs += [ "//third_party/instrumented_libraries:locally_built_ldflags" ]
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}
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configs += [ "//build/config/sanitizers:link_executable" ]
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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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}
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# If we're using the prebuilt instrumented libraries with the sanitizers, we
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# need to add ldflags to every binary to make sure they are picked up.
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if (prebuilt_instrumented_libraries_available) {
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configs += [ "//third_party/instrumented_libraries:prebuilt_ldflags" ]
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}
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if (use_locally_built_instrumented_libraries) {
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configs += [ "//third_party/instrumented_libraries:locally_built_ldflags" ]
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}
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configs += [ "//build/config/sanitizers:link_shared_library" ]
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}
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