OLD | NEW |
1 # Copyright 2015 The Chromium Authors. All rights reserved. | 1 # Copyright 2015 The Chromium 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/android/config.gni") | 5 import("//build/config/android/config.gni") |
6 import("//build/config/chrome_build.gni") | 6 import("//build/config/chrome_build.gni") |
7 import("//build/config/chromecast_build.gni") | 7 import("//build/config/chromecast_build.gni") |
8 import("//build/config/sanitizers/sanitizers.gni") | 8 import("//build/config/sanitizers/sanitizers.gni") |
9 import("//build/toolchain/toolchain.gni") | |
10 | 9 |
11 declare_args() { | 10 declare_args() { |
12 # How many symbols to include in the build. This affects the performance of | 11 # How many symbols to include in the build. This affects the performance of |
13 # the build since the symbols are large and dealing with them is slow. | 12 # the build since the symbols are large and dealing with them is slow. |
14 # 2 means regular build with symbols. | 13 # 2 means regular build with symbols. |
15 # 1 means minimal symbols, usually enough for backtraces only. | 14 # 1 means minimal symbols, usually enough for backtraces only. |
16 # 0 means no symbols. | 15 # 0 means no symbols. |
17 # -1 means auto-set according to debug/release and platform. | 16 # -1 means auto-set according to debug/release and platform. |
18 symbol_level = -1 | 17 symbol_level = -1 |
19 | 18 |
20 # Compile in such a way as to enable profiling of the generated code. For | 19 # Compile in such a way as to enable profiling of the generated code. For |
21 # example, don't omit the frame pointer and leave in symbols. | 20 # example, don't omit the frame pointer and leave in symbols. |
22 enable_profiling = false | 21 enable_profiling = false |
23 | 22 |
24 # Specify the current PGO phase, only used for the Windows MSVS build. Here's | 23 # Specify the current PGO phase, only used for the Windows MSVS build. Here's |
25 # the different values that can be used: | 24 # the different values that can be used: |
26 # 0 : Means that PGO is turned off. | 25 # 0 : Means that PGO is turned off. |
27 # 1 : Used during the PGI (instrumentation) phase. | 26 # 1 : Used during the PGI (instrumentation) phase. |
28 # 2 : Used during the PGO (optimization) phase. | 27 # 2 : Used during the PGO (optimization) phase. |
29 # | 28 # |
30 # TODO(sebmarchand): Add support for the PGU (update) phase. | 29 # TODO(sebmarchand): Add support for the PGU (update) phase. |
31 chrome_pgo_phase = 0 | 30 chrome_pgo_phase = 0 |
32 | 31 |
33 # Whether or not the official builds should be build with full WPO. | 32 # Whether or not the official builds should be build with full WPO. |
34 full_wpo_on_official = false | 33 full_wpo_on_official = false |
35 } | 34 } |
36 | 35 |
37 declare_args() { | |
38 use_gold = !use_lld && | |
39 ((is_linux && (current_cpu == "x64" || current_cpu == "x86" || | |
40 current_cpu == "arm")) || | |
41 (is_android && (current_cpu == "x86" || current_cpu == "x64" || | |
42 current_cpu == "arm"))) | |
43 } | |
44 | |
45 # If it wasn't manually set, set to an appropriate default. | 36 # If it wasn't manually set, set to an appropriate default. |
46 assert(symbol_level >= -1 && symbol_level <= 2, "Invalid symbol_level") | 37 assert(symbol_level >= -1 && symbol_level <= 2, "Invalid symbol_level") |
47 if (symbol_level == -1) { | 38 if (symbol_level == -1) { |
48 if (is_android && use_order_profiling) { | 39 if (is_android && use_order_profiling) { |
49 # With instrumentation enabled, debug info puts libchrome.so over 4gb, which | 40 # With instrumentation enabled, debug info puts libchrome.so over 4gb, which |
50 # causes the linker to produce an invalid ELF. http://crbug.com/574476 | 41 # causes the linker to produce an invalid ELF. http://crbug.com/574476 |
51 symbol_level = 0 | 42 symbol_level = 0 |
52 } else if (is_win && is_clang && !using_sanitizer) { | 43 } else if (is_win && is_clang && !using_sanitizer) { |
53 # TODO(thakis): Remove this again once building with clang/win and | 44 # TODO(thakis): Remove this again once building with clang/win and |
54 # debug info doesn't make link.exe run for hours. | 45 # debug info doesn't make link.exe run for hours. |
55 symbol_level = 1 | 46 symbol_level = 1 |
56 } else if (!is_linux || is_debug || is_official_build || is_chromecast) { | 47 } else if (!is_linux || is_debug || is_official_build || is_chromecast) { |
57 # Linux is slowed by having symbols as part of the target binary, whereas | 48 # Linux is slowed by having symbols as part of the target binary, whereas |
58 # Mac and Windows have them separate, so in Release Linux, default them off, | 49 # Mac and Windows have them separate, so in Release Linux, default them off, |
59 # but keep them on for Official builds and Chromecast builds. | 50 # but keep them on for Official builds and Chromecast builds. |
60 symbol_level = 2 | 51 symbol_level = 2 |
61 } else if (using_sanitizer) { | 52 } else if (using_sanitizer) { |
62 # Sanitizers require symbols for filename suppressions to work. | 53 # Sanitizers require symbols for filename suppressions to work. |
63 symbol_level = 1 | 54 symbol_level = 1 |
64 } else { | 55 } else { |
65 symbol_level = 0 | 56 symbol_level = 0 |
66 } | 57 } |
67 } | 58 } |
68 | 59 |
69 # PGO requires full WPO. | 60 # PGO requires full WPO. |
70 if (chrome_pgo_phase > 0) { | 61 if (chrome_pgo_phase > 0) { |
71 full_wpo_on_official = true | 62 full_wpo_on_official = true |
72 } | 63 } |
OLD | NEW |