v8/gni/v8.gni
2016-06-17 07:07:30 +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/v8_target_cpu.gni")
declare_args() {
# Turns on compiler optimizations in V8 in Debug build.
v8_optimized_debug = true
# 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 = !is_ios
}
###############################################################################
# Templates
#
# 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.
path_prefix = get_path_info("../", "abspath")
# Common configs to remove or add in all v8 targets.
remove_configs = [ "//build/config/compiler:chromium_code" ]
add_configs = [
"//build/config/compiler:no_chromium_code",
path_prefix + ":features",
path_prefix + ":toolchain",
]
if (is_debug && !v8_optimized_debug) {
remove_configs += [ "//build/config/compiler:default_optimization" ]
add_configs += [ "//build/config/compiler:no_optimize" ]
} else {
remove_configs += [ "//build/config/compiler:default_optimization" ]
add_configs += [ "//build/config/compiler:optimize_max" ]
}
# All templates should be kept in sync.
template("v8_source_set") {
source_set(target_name) {
forward_variables_from(invoker, "*", [ "configs" ])
configs += invoker.configs
configs -= remove_configs
configs += add_configs
}
}
template("v8_executable") {
executable(target_name) {
forward_variables_from(invoker, "*", [ "configs" ])
configs += invoker.configs
configs -= remove_configs
configs += add_configs
}
}
template("v8_component") {
component(target_name) {
forward_variables_from(invoker, "*", [ "configs" ])
configs += invoker.configs
configs -= remove_configs
configs += add_configs
}
}