1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("config.gni")
if (is_clang) {
import("//build/config/clang/clang.gni")
}
visibility = [ "//third_party/WebKit/*" ]
# arguments --------------------------------------------------------------------
declare_args() {
# Set to true to enable the clang plugin that checks the usage of the Blink
# garbage-collection infrastructure during compilation.
blink_gc_plugin = true
# Set to true to have the clang Blink GC plugin emit class graph (in JSON)
# with typed pointer edges; for debugging or other (internal) uses.
blink_gc_plugin_option_do_dump_graph = false
# Set to true to have the clang Blink GC plugin additionally check if
# a class has an empty destructor which would be unnecessarily invoked
# when finalized.
blink_gc_plugin_option_warn_unneeded_finalizer = false
}
# features ---------------------------------------------------------------------
config("features") {
defines = feature_defines_list
}
# inside_blink -----------------------------------------------------------------
config("inside_blink") {
defines = [
"BLINK_IMPLEMENTATION=1",
"INSIDE_BLINK",
]
}
# blink_pch --------------------------------------------------------------------
# Precompiled headers can save a lot of time compiling since Blink has
# a lot of source in header files.
import("//build/config/pch.gni")
config("blink_pch") {
if (enable_precompiled_headers) {
if (is_win) {
# This is a string rather than a file GN knows about. It has to match
# exactly what's in the /FI flag below, and what might appear in the
# source code in quotes for an #include directive.
precompiled_header = "third_party/WebKit/Source/build/win/Precompile.h"
# This is a file that GN will compile with the above header. It will be
# implicitly added to the sources (potentially multiple times, with one
# variant for each language used in the target).
precompiled_source =
"//third_party/WebKit/Source/build/win/Precompile.cpp"
# Force include the header.
cflags = [ "/FI$precompiled_header" ]
} else if (is_mac) {
precompiled_source = "//third_party/WebKit/Source/build/mac/Prefix.h"
}
}
}
# config -----------------------------------------------------------------------
config("config") {
include_dirs = [
".",
"..",
"$root_gen_dir/blink",
"$root_gen_dir/third_party/WebKit",
]
cflags = []
defines = []
if (is_win) {
cflags += [
"/wd4305", # Truncation from 'type1' to 'type2'.
"/wd4324", # Struct padded due to declspec(align).
"/wd4714", # Function marked forceinline not inlined.
"/wd4800", # Value forced to bool.
"/wd4996", # Deprecated function call.
]
}
if (is_win) {
if (is_component_build) {
defines += [ "USING_V8_SHARED" ]
}
}
if (is_clang && blink_gc_plugin && clang_use_chrome_plugins) {
# On Windows, the plugin is built directly into clang, so there's
# no need to load it dynamically.
if (host_os != "win") {
_blink_gc_plugin_dll_extension = "so"
if (host_os == "mac") {
_blink_gc_plugin_dll_extension = "dylib"
}
cflags += [
"-Xclang",
"-load",
"-Xclang",
rebase_path(
"${clang_base_path}/lib/libBlinkGCPlugin.${_blink_gc_plugin_dll_extension}",
root_build_dir),
]
}
cflags += [
"-Xclang",
"-add-plugin",
"-Xclang",
"blink-gc-plugin",
]
# Add arguments for enabled GC plugin options:
if (blink_gc_plugin_option_do_dump_graph) {
cflags += [
"-Xclang",
"-plugin-arg-blink-gc-plugin",
"-Xclang",
"dump-graph",
]
}
if (blink_gc_plugin_option_warn_unneeded_finalizer) {
cflags += [
"-Xclang",
"-plugin-arg-blink-gc-plugin",
"-Xclang",
"warn-unneeded-finalizer",
]
}
}
}
# The follow configs apply to all targets except for unit tests, which rely on
# static initializers.
config("non_test_config") {
cflags = []
if (is_clang) {
cflags += [ "-Wglobal-constructors" ]
}
}
|
