2b3c2a3ff9
Attempt to take over all *SAN builds. MSAN has a lot of coordination required between gn/BUILD.gn and gn_flavor.py. I'd like to follow up to move more of this into gn/BUILD.gn, to make it easier to use locally. The compile steps should be much faster now. We no longer build CMake and Clang for every run, instead using the clang_linux CIPD package. This removes the need for all the third_party/externals/llvm/... dependencies. Similarly, since we're using the clang_linux package, we no longer depend on Chrome's Clang, and thus no longer need to sync chromium on these bots. Instead of packaging up MSAN libraries and llvm-symbolizer in the compile output, I have the test / perf bots also depend on the clang_linux package. These do not vary from build to build. No more need for the xsan.blacklist -include hack: Clang, GN, and Ninja all track changes to xsan.blacklist without our help. This has the incidental effect of upgrading the compiler used by *SAN bots from Clang 3.8 to Clang 3.9. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2289343002 Review-Url: https://codereview.chromium.org/2289343002
135 lines
3.0 KiB
Plaintext
135 lines
3.0 KiB
Plaintext
# Copyright 2016 Google Inc.
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#
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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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# It's best to keep the names and defaults of is_foo flags consistent with Chrome.
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declare_args() {
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is_debug = true
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is_component_build = false
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ndk = ""
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sanitize = ""
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}
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# Platform detection
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if (target_os == "") {
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target_os = host_os
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if (ndk != "") {
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target_os = "android"
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}
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}
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if (current_os == "") {
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current_os = target_os
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}
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is_android = current_os == "android"
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is_fuchsia = current_os == "fuchsia"
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is_ios = current_os == "ios"
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is_linux = current_os == "linux"
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is_mac = current_os == "mac"
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is_win = current_os == "win"
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if (target_cpu == "") {
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target_cpu = host_cpu
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if (is_android) {
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target_cpu = "arm64"
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}
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}
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if (current_cpu == "") {
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current_cpu = target_cpu
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}
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if (is_android) {
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ndk_host = ""
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ndk_target = ""
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ndk_platform = ""
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ndk_stdlib = ""
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nkd_gccdir = ""
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if (host_os == "linux") {
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ndk_host = "linux-x86_64"
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} else if (host_os == "mac") {
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ndk_host = "darwin-x86_64"
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}
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if (target_cpu == "arm64") {
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ndk_target = "aarch64-linux-android"
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ndk_platform = "android-21/arch-arm64"
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ndk_stdlib = "arm64-v8a"
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ndk_gccdir = ndk_target
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} else if (target_cpu == "arm") {
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ndk_target = "arm-linux-androideabi"
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ndk_platform = "android-18/arch-arm"
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ndk_stdlib = "armeabi-v7a"
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ndk_gccdir = ndk_target
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} else if (target_cpu == "mips64el") {
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ndk_target = "mips64el-linux-android"
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ndk_platform = "android-21/arch-mips64"
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ndk_stdlib = "mips64"
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ndk_gccdir = ndk_target
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} else if (target_cpu == "mipsel") {
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ndk_target = "mipsel-linux-android"
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ndk_platform = "android-18/arch-mips"
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ndk_stdlib = "mips"
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ndk_gccdir = ndk_target
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} else if (target_cpu == "x64") {
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ndk_target = "x86_64-linux-android"
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ndk_platform = "android-21/arch-x86_64"
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ndk_stdlib = "x86_64"
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ndk_gccdir = ndk_stdlib
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} else if (target_cpu == "x86") {
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ndk_target = "i686-linux-android"
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ndk_platform = "android-18/arch-x86"
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ndk_stdlib = "x86"
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ndk_gccdir = ndk_stdlib
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}
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}
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# A component is either a static or a shared library.
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template("component") {
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_component_mode = "static_library"
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if (is_component_build) {
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_component_mode = "shared_library"
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}
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target(_component_mode, target_name) {
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forward_variables_from(invoker, "*")
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}
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}
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# Default configs
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default_configs = [
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"//gn:default",
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"//gn:no_rtti",
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]
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if (!is_debug) {
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default_configs += [ "//gn:release" ]
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}
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set_defaults("executable") {
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configs = default_configs + [ "//gn:executable" ]
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}
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set_defaults("source_set") {
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configs = default_configs
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}
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set_defaults("static_library") {
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configs = default_configs
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}
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set_defaults("shared_library") {
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configs = default_configs
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}
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set_defaults("component") {
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configs = default_configs
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if (!is_component_build) {
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complete_static_lib = true
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}
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}
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# For now, we support GCC-like toolchains, including Clang.
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set_default_toolchain("//gn:gcc_like")
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