# 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") 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 # Enable inspector. See include/v8-inspector.h. v8_enable_inspector = 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 = [ "//build/config/compiler:chromium_code" ] v8_add_configs = [ "//build/config/compiler:no_chromium_code", 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(v8_static_library) && v8_static_library) { static_library(target_name) { forward_variables_from(invoker, "*", [ "configs" ]) configs += invoker.configs configs -= v8_remove_configs configs += v8_add_configs } } else { source_set(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 } }