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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/arm.gni") | 6 import("//build/config/arm.gni") |
7 import("//build/config/chrome_build.gni") | 7 import("//build/config/chrome_build.gni") |
8 import("//build/config/chromecast_build.gni") | 8 import("//build/config/chromecast_build.gni") |
9 import("//build/config/compiler/pgo/pgo.gni") | 9 import("//build/config/compiler/pgo/pgo.gni") |
10 import("//build/config/sanitizers/sanitizers.gni") | 10 import("//build/config/sanitizers/sanitizers.gni") |
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113 # Whether or not the official builds should be built with full WPO. Enabled by | 113 # Whether or not the official builds should be built with full WPO. Enabled by |
114 # default for the PGO and the x64 builds. | 114 # default for the PGO and the x64 builds. |
115 if (chrome_pgo_phase > 0) { | 115 if (chrome_pgo_phase > 0) { |
116 full_wpo_on_official = true | 116 full_wpo_on_official = true |
117 } else { | 117 } else { |
118 full_wpo_on_official = false | 118 full_wpo_on_official = false |
119 } | 119 } |
120 } | 120 } |
121 | 121 |
122 declare_args() { | 122 declare_args() { |
123 # Set to true to use lld, the LLVM linker. This flag may be used on Windows | |
124 # or Linux. | |
125 use_lld = (is_win && host_os != "win") || | |
126 ((allow_posix_link_time_opt || is_cfi) && target_os == "linux" && | |
Nico
2017/05/17 23:14:29
Shouldn't is_cfi imply allow_posix_link_time_opt?
pcc1
2017/05/17 23:22:37
It could do, I think. I'll see if I can do that as
| |
127 !is_chromeos && target_cpu == "x64") | |
128 } | |
129 | |
130 declare_args() { | |
123 # Whether to use the gold linker from binutils instead of lld or bfd. | 131 # Whether to use the gold linker from binutils instead of lld or bfd. |
124 use_gold = | 132 use_gold = |
125 !use_lld && !(is_chromecast && is_linux && | 133 !use_lld && !(is_chromecast && is_linux && |
126 (current_cpu == "arm" || current_cpu == "mipsel")) && | 134 (current_cpu == "arm" || current_cpu == "mipsel")) && |
127 ((is_linux && (current_cpu == "x64" || current_cpu == "x86" || | 135 ((is_linux && (current_cpu == "x64" || current_cpu == "x86" || |
128 current_cpu == "arm" || current_cpu == "mipsel")) || | 136 current_cpu == "arm" || current_cpu == "mipsel")) || |
129 (is_android && (current_cpu == "x86" || current_cpu == "x64" || | 137 (is_android && (current_cpu == "x86" || current_cpu == "x64" || |
130 current_cpu == "arm" || current_cpu == "arm64")) || | 138 current_cpu == "arm" || current_cpu == "arm64")) || |
131 is_fuchsia) | 139 is_fuchsia) |
132 } | 140 } |
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173 } | 181 } |
174 | 182 |
175 # Assert that the configuration isn't going to hit https://crbug.com/648948. | 183 # Assert that the configuration isn't going to hit https://crbug.com/648948. |
176 assert(ignore_elf32_limitations || !is_android || | 184 assert(ignore_elf32_limitations || !is_android || |
177 (android_64bit_target_cpu && !build_apk_secondary_abi) || | 185 (android_64bit_target_cpu && !build_apk_secondary_abi) || |
178 is_component_build || symbol_level < 2, | 186 is_component_build || symbol_level < 2, |
179 "Android 32-bit non-component builds cannot have symbol_level=2 " + | 187 "Android 32-bit non-component builds cannot have symbol_level=2 " + |
180 "due to 4GiB file size limit, see https://crbug.com/648948. " + | 188 "due to 4GiB file size limit, see https://crbug.com/648948. " + |
181 "If you really want to try this out, " + | 189 "If you really want to try this out, " + |
182 "set ignore_elf32_limitations=true.") | 190 "set ignore_elf32_limitations=true.") |
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