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1 # Copyright 2016 the V8 project authors. All rights reserved. | 1 # Copyright 2016 the V8 project authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 import("//build/config/sanitizers/sanitizers.gni") | 5 import("//build/config/sanitizers/sanitizers.gni") |
6 import("//build/config/v8_target_cpu.gni") | 6 import("//build/config/v8_target_cpu.gni") |
7 | 7 |
8 declare_args() { | 8 declare_args() { |
9 # Indicate if valgrind was fetched as a custom deps to make it available on | 9 # Indicate if valgrind was fetched as a custom deps to make it available on |
10 # swarming. | 10 # swarming. |
11 v8_has_valgrind = false | 11 v8_has_valgrind = false |
12 | 12 |
13 # Indicate if gcmole was fetched as a hook to make it available on swarming. | 13 # Indicate if gcmole was fetched as a hook to make it available on swarming. |
14 v8_gcmole = false | 14 v8_gcmole = false |
15 | 15 |
16 # Turns on compiler optimizations in V8 in Debug build. | 16 # Turns on compiler optimizations in V8 in Debug build. |
17 v8_optimized_debug = true | 17 v8_optimized_debug = true |
18 | 18 |
19 # Support for backtrace_symbols on linux. | |
20 v8_enable_backtrace = "" | |
21 | |
19 # Enable the snapshot feature, for fast context creation. | 22 # Enable the snapshot feature, for fast context creation. |
20 # http://v8project.blogspot.com/2015/09/custom-startup-snapshots.html | 23 # http://v8project.blogspot.com/2015/09/custom-startup-snapshots.html |
21 v8_use_snapshot = true | 24 v8_use_snapshot = true |
22 | 25 |
23 # Use external files for startup data blobs: | 26 # Use external files for startup data blobs: |
24 # the JS builtins sources and the start snapshot. | 27 # the JS builtins sources and the start snapshot. |
25 v8_use_external_startup_data = "" | 28 v8_use_external_startup_data = "" |
26 } | 29 } |
27 | 30 |
28 if (v8_use_external_startup_data == "") { | 31 if (v8_use_external_startup_data == "") { |
29 # If not specified as a gn arg, use external startup data by default if | 32 # If not specified as a gn arg, use external startup data by default if |
30 # a snapshot is used and if we're not on ios. | 33 # a snapshot is used and if we're not on ios. |
31 v8_use_external_startup_data = v8_use_snapshot && !is_ios | 34 v8_use_external_startup_data = v8_use_snapshot && !is_ios |
32 } | 35 } |
33 | 36 |
37 if (v8_enable_backtrace == "") { | |
38 v8_enable_backtrace = is_debug && !v8_optimized_debug | |
Michael Achenbach
2016/07/20 11:55:30
Consider turning it on by default for all debug bu
| |
39 } | |
40 | |
34 ############################################################################### | 41 ############################################################################### |
35 # Templates | 42 # Templates |
36 # | 43 # |
37 | 44 |
38 # Points to // in v8 stand-alone or to //v8/ in chromium. We need absolute | 45 # Points to // in v8 stand-alone or to //v8/ in chromium. We need absolute |
39 # paths for all configs in templates as they are shared in different | 46 # paths for all configs in templates as they are shared in different |
40 # subdirectories. | 47 # subdirectories. |
41 v8_path_prefix = get_path_info("../", "abspath") | 48 v8_path_prefix = get_path_info("../", "abspath") |
42 | 49 |
43 # Common configs to remove or add in all v8 targets. | 50 # Common configs to remove or add in all v8 targets. |
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56 | 63 |
57 # TODO(crbug.com/621335) Rework this so that we don't have the confusion | 64 # TODO(crbug.com/621335) Rework this so that we don't have the confusion |
58 # between "optimize_speed" and "optimize_max". | 65 # between "optimize_speed" and "optimize_max". |
59 if (is_posix && !is_android && !is_nacl && !using_sanitizer) { | 66 if (is_posix && !is_android && !is_nacl && !using_sanitizer) { |
60 v8_add_configs += [ "//build/config/compiler:optimize_speed" ] | 67 v8_add_configs += [ "//build/config/compiler:optimize_speed" ] |
61 } else { | 68 } else { |
62 v8_add_configs += [ "//build/config/compiler:optimize_max" ] | 69 v8_add_configs += [ "//build/config/compiler:optimize_max" ] |
63 } | 70 } |
64 } | 71 } |
65 | 72 |
73 if (is_posix && v8_enable_backtrace) { | |
74 v8_remove_configs += [ "//build/config/gcc:symbol_visibility_hidden" ] | |
75 v8_add_configs += [ "//build/config/gcc:symbol_visibility_default" ] | |
76 } | |
77 | |
66 # All templates should be kept in sync. | 78 # All templates should be kept in sync. |
67 template("v8_source_set") { | 79 template("v8_source_set") { |
68 source_set(target_name) { | 80 source_set(target_name) { |
69 forward_variables_from(invoker, "*", [ "configs" ]) | 81 forward_variables_from(invoker, "*", [ "configs" ]) |
70 configs += invoker.configs | 82 configs += invoker.configs |
71 configs -= v8_remove_configs | 83 configs -= v8_remove_configs |
72 configs += v8_add_configs | 84 configs += v8_add_configs |
73 } | 85 } |
74 } | 86 } |
75 | 87 |
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87 } | 99 } |
88 | 100 |
89 template("v8_component") { | 101 template("v8_component") { |
90 component(target_name) { | 102 component(target_name) { |
91 forward_variables_from(invoker, "*", [ "configs" ]) | 103 forward_variables_from(invoker, "*", [ "configs" ]) |
92 configs += invoker.configs | 104 configs += invoker.configs |
93 configs -= v8_remove_configs | 105 configs -= v8_remove_configs |
94 configs += v8_add_configs | 106 configs += v8_add_configs |
95 } | 107 } |
96 } | 108 } |
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