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1 # Copyright 2014 The Chromium Authors. All rights reserved. | 1 # Copyright 2014 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("config.gni") | 5 import("config.gni") |
6 if (is_clang) { | 6 if (is_clang) { |
7 import("//build/config/clang/clang.gni") | 7 import("//build/config/clang/clang.gni") |
8 } | 8 } |
9 | 9 |
10 visibility = [ "//third_party/WebKit/*" ] | 10 visibility = [ "//third_party/WebKit/*" ] |
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34 | 34 |
35 # inside_blink ----------------------------------------------------------------- | 35 # inside_blink ----------------------------------------------------------------- |
36 | 36 |
37 config("inside_blink") { | 37 config("inside_blink") { |
38 defines = [ | 38 defines = [ |
39 "BLINK_IMPLEMENTATION=1", | 39 "BLINK_IMPLEMENTATION=1", |
40 "INSIDE_BLINK", | 40 "INSIDE_BLINK", |
41 ] | 41 ] |
42 } | 42 } |
43 | 43 |
44 # blink_pch -------------------------------------------------------------------- | |
45 | |
46 # Precompiled headers can save a lot of time compiling since Blink has | |
47 # a lot of source in header files. | |
48 | |
49 import("//build/config/pch.gni") | |
50 | |
51 config("blink_pch") { | |
52 if (!disable_precompiled_headers) { | |
53 if (is_win) { | |
54 # This is a string rather than a file GN knows about. It has to match | |
55 # exactly what's in the /FI flag below, and what might appear in the | |
56 # source code in quotes for an #include directive. | |
57 precompiled_header = rebase_path("build/win/Precompile.h", root_build_dir) | |
58 | |
59 # This is a file that GN will compile with the above header. It will be | |
60 # implicitly added to the sources (potentially multiple times, with one | |
61 # variant for each language used in the target). | |
62 precompiled_source = | |
63 "//third_party/WebKit/Source/build/win/Precompile.cpp" | |
64 | |
65 # Force include the header. | |
66 cflags = [ "/FI$precompiled_header" ] | |
67 | |
68 # Disable warning for "this file was empty after preprocessing". This | |
69 # error is generated only in C mode for ANSI compatibility. It conflicts | |
70 # with precompiled headers since the source file that's "compiled" for | |
71 # making the precompiled header is empty. | |
72 # | |
73 # This error doesn't happen every time. In VS2013, it seems if the .pch | |
Nico
2016/11/21 15:42:25
Since this mentions 2013 -- do we still need this
sof
2016/11/21 19:24:58
Hard to conclusively say; I would prefer to handle
| |
74 # file doesn't exist, no error will be generated (probably MS tested this | |
75 # case but forgot the other one?). To reproduce this error, do a build, | |
76 # then delete the precompile.c.obj file, then build again. | |
77 cflags_c = [ "/wd4206" ] | |
78 } | |
79 } | |
80 } | |
81 | |
44 # config ----------------------------------------------------------------------- | 82 # config ----------------------------------------------------------------------- |
45 | 83 |
46 config("config") { | 84 config("config") { |
47 include_dirs = [ | 85 include_dirs = [ |
48 ".", | 86 ".", |
49 "..", | 87 "..", |
50 "$root_gen_dir/blink", | 88 "$root_gen_dir/blink", |
51 "$root_gen_dir/third_party/WebKit", | 89 "$root_gen_dir/third_party/WebKit", |
52 ] | 90 ] |
53 | 91 |
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124 } | 162 } |
125 } | 163 } |
126 | 164 |
127 if (is_mac) { | 165 if (is_mac) { |
128 # This sets up precompiled headers for Mac. | 166 # This sets up precompiled headers for Mac. |
129 config("mac_precompiled_headers") { | 167 config("mac_precompiled_headers") { |
130 precompiled_header = rebase_path("build/mac/Prefix.h", root_build_dir) | 168 precompiled_header = rebase_path("build/mac/Prefix.h", root_build_dir) |
131 precompiled_source = "//third_party/WebKit/Source/build/mac/Prefix.h" | 169 precompiled_source = "//third_party/WebKit/Source/build/mac/Prefix.h" |
132 } | 170 } |
133 } | 171 } |
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