v8/gni/v8.gni
Michael Achenbach a0aec7b29e [build] Split v8_base on static-library builds on windows
Bug: v8:6461
Change-Id: Iafabf2d53aa6492b78a9e5ae683f010453bb195d
Reviewed-on: https://chromium-review.googlesource.com/533014
Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45922}
2017-06-13 18:26:53 +00:00

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# Copyright 2016 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/config/sanitizers/sanitizers.gni")
import("//build/config/v8_target_cpu.gni")
import("//build/split_static_library.gni")
declare_args() {
# Includes files needed for correctness fuzzing.
v8_correctness_fuzzer = false
# Adds additional compile target for building multiple architectures at once.
v8_multi_arch_build = false
# Indicate if valgrind was fetched as a custom deps to make it available on
# swarming.
v8_has_valgrind = false
# Indicate if gcmole was fetched as a hook to make it available on swarming.
v8_gcmole = false
# Turns on compiler optimizations in V8 in Debug build.
v8_optimized_debug = true
# Support for backtrace_symbols on linux.
v8_enable_backtrace = ""
# Enable the snapshot feature, for fast context creation.
# http://v8project.blogspot.com/2015/09/custom-startup-snapshots.html
v8_use_snapshot = true
# Use external files for startup data blobs:
# the JS builtins sources and the start snapshot.
v8_use_external_startup_data = ""
# Enable ECMAScript Internationalization API. Enabling this feature will
# add a dependency on the ICU library.
v8_enable_i18n_support = true
# Use static libraries instead of source_sets.
v8_static_library = false
}
if (v8_use_external_startup_data == "") {
# If not specified as a gn arg, use external startup data by default if
# a snapshot is used and if we're not on ios.
v8_use_external_startup_data = v8_use_snapshot && !is_ios
}
if (v8_enable_backtrace == "") {
v8_enable_backtrace = is_debug && !v8_optimized_debug
}
# Points to // in v8 stand-alone or to //v8/ in chromium. We need absolute
# paths for all configs in templates as they are shared in different
# subdirectories.
v8_path_prefix = get_path_info("../", "abspath")
v8_inspector_js_protocol = v8_path_prefix + "/src/inspector/js_protocol.json"
###############################################################################
# Templates
#
# Common configs to remove or add in all v8 targets.
v8_remove_configs = []
v8_add_configs = [
v8_path_prefix + ":features",
v8_path_prefix + ":toolchain",
]
if (is_debug && !v8_optimized_debug) {
v8_remove_configs += [ "//build/config/compiler:default_optimization" ]
v8_add_configs += [ "//build/config/compiler:no_optimize" ]
} else {
v8_remove_configs += [ "//build/config/compiler:default_optimization" ]
# TODO(crbug.com/621335) Rework this so that we don't have the confusion
# between "optimize_speed" and "optimize_max".
if (is_posix && !is_android && !using_sanitizer) {
v8_add_configs += [ "//build/config/compiler:optimize_speed" ]
} else {
v8_add_configs += [ "//build/config/compiler:optimize_max" ]
}
}
if (is_posix && v8_enable_backtrace) {
v8_remove_configs += [ "//build/config/gcc:symbol_visibility_hidden" ]
v8_add_configs += [ "//build/config/gcc:symbol_visibility_default" ]
}
# All templates should be kept in sync.
template("v8_source_set") {
if (defined(invoker.split_count) && invoker.split_count > 1 &&
defined(v8_static_library) && v8_static_library && is_win) {
link_target_type = "split_static_library"
} else if (defined(v8_static_library) && v8_static_library) {
link_target_type = "static_library"
} else {
link_target_type = "source_set"
}
target(link_target_type, target_name) {
forward_variables_from(invoker, "*", [ "configs" ])
configs += invoker.configs
configs -= v8_remove_configs
configs += v8_add_configs
}
}
template("v8_header_set") {
source_set(target_name) {
forward_variables_from(invoker, "*", [ "configs" ])
configs += invoker.configs
configs -= v8_remove_configs
configs += v8_add_configs
}
}
template("v8_executable") {
executable(target_name) {
forward_variables_from(invoker,
"*",
[
"configs",
"remove_configs",
])
if (defined(invoker.remove_configs)) {
configs -= invoker.remove_configs
}
configs += invoker.configs
configs -= v8_remove_configs
configs += v8_add_configs
if (is_linux) {
# For enabling ASLR.
ldflags = [ "-pie" ]
}
}
}
template("v8_component") {
component(target_name) {
forward_variables_from(invoker, "*", [ "configs" ])
configs += invoker.configs
configs -= v8_remove_configs
configs += v8_add_configs
}
}