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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 # Toolchain-related configuration that may be needed outside the context of the | 5 # Toolchain-related configuration that may be needed outside the context of the |
6 # toolchain() rules themselves. | 6 # toolchain() rules themselves. |
7 | 7 |
| 8 import("//build/config/chrome_build.gni") |
| 9 |
8 declare_args() { | 10 declare_args() { |
9 # Enable Link Time Optimization in optimized builds (output programs run | 11 # Enable Link Time Optimization in optimized builds (output programs run |
10 # faster, but linking is up to 5-20x slower). | 12 # faster, but linking is up to 5-20x slower). |
11 # | 13 # |
12 # TODO(pcc): Remove this flag if/when LTO is enabled in official builds. | 14 allow_posix_link_time_opt = is_linux && !is_chromeos && target_cpu == "x64" && |
13 allow_posix_link_time_opt = false | 15 is_chrome_branded && is_official_build |
14 | 16 |
15 # Set to true to use lld, the LLVM linker. This flag may be used on Windows | 17 # Set to true to use lld, the LLVM linker. This flag may be used on Windows |
16 # with the shipped LLVM toolchain, or on Linux with a self-built top-of-tree | 18 # with the shipped LLVM toolchain, or on Linux with a self-built top-of-tree |
17 # LLVM toolchain (see llvm_force_head_revision in | 19 # LLVM toolchain (see llvm_force_head_revision in |
18 # build/config/compiler/BUILD.gn). | 20 # build/config/compiler/BUILD.gn). |
19 use_lld = false | 21 use_lld = false |
20 | 22 |
21 if (is_clang) { | 23 if (is_clang) { |
22 # Clang compiler version. Clang files are placed at version-dependent paths. | 24 # Clang compiler version. Clang files are placed at version-dependent paths. |
23 clang_version = "3.9.0" | 25 clang_version = "3.9.0" |
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67 stamp_description = "STAMP {{output}}" | 69 stamp_description = "STAMP {{output}}" |
68 copy_description = "COPY {{source}} {{output}}" | 70 copy_description = "COPY {{source}} {{output}}" |
69 if (host_os == "win") { | 71 if (host_os == "win") { |
70 stamp_command = "$python_path gyp-win-tool stamp {{output}}" | 72 stamp_command = "$python_path gyp-win-tool stamp {{output}}" |
71 copy_command = | 73 copy_command = |
72 "$python_path gyp-win-tool recursive-mirror {{source}} {{output}}" | 74 "$python_path gyp-win-tool recursive-mirror {{source}} {{output}}" |
73 } else { | 75 } else { |
74 stamp_command = "touch {{output}}" | 76 stamp_command = "touch {{output}}" |
75 copy_command = "ln -f {{source}} {{output}} 2>/dev/null || (rm -rf {{output}}
&& cp -af {{source}} {{output}})" | 77 copy_command = "ln -f {{source}} {{output}} 2>/dev/null || (rm -rf {{output}}
&& cp -af {{source}} {{output}})" |
76 } | 78 } |
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