forked from chromium/chromium
-
Notifications
You must be signed in to change notification settings - Fork 0
/
build_config.h
385 lines (351 loc) · 11.3 KB
/
build_config.h
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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This file doesn't belong to any GN target by design for faster build and
// less developer overhead.
// This file adds build flags about the OS we're currently building on. They are
// defined directly in this file instead of via a `buildflag_header` target in a
// GN file for faster build. They are defined using the corresponding OS defines
// (e.g. OS_WIN) which are also defined in this file (except for OS_CHROMEOS,
// which is set by the build system). These defines are deprecated and should
// NOT be used directly. For example:
// Please Use: #if BUILDFLAG(IS_WIN)
// Deprecated: #if defined(OS_WIN)
//
// Operating System:
// IS_AIX / IS_ANDROID / IS_ASMJS / IS_CHROMEOS / IS_FREEBSD / IS_FUCHSIA /
// IS_IOS / IS_IOS_MACCATALYST / IS_LINUX / IS_MAC / IS_NACL / IS_NETBSD /
// IS_OPENBSD / IS_QNX / IS_SOLARIS / IS_WIN
// Operating System family:
// IS_APPLE: IOS or MAC or IOS_MACCATALYST
// IS_BSD: FREEBSD or NETBSD or OPENBSD
// IS_POSIX: AIX or ANDROID or ASMJS or CHROMEOS or FREEBSD or IOS or LINUX
// or MAC or NACL or NETBSD or OPENBSD or QNX or SOLARIS
// This file also adds defines specific to the platform, architecture etc.
//
// Platform:
// IS_OZONE
//
// Compiler:
// COMPILER_MSVC / COMPILER_GCC
//
// Processor:
// ARCH_CPU_ARM64 / ARCH_CPU_ARMEL / ARCH_CPU_LOONG32 / ARCH_CPU_LOONG64 /
// ARCH_CPU_MIPS / ARCH_CPU_MIPS64 / ARCH_CPU_MIPS64EL / ARCH_CPU_MIPSEL /
// ARCH_CPU_PPC64 / ARCH_CPU_S390 / ARCH_CPU_S390X / ARCH_CPU_X86 /
// ARCH_CPU_X86_64 / ARCH_CPU_RISCV64
// Processor family:
// ARCH_CPU_ARM_FAMILY: ARMEL or ARM64
// ARCH_CPU_LOONG_FAMILY: LOONG32 or LOONG64
// ARCH_CPU_MIPS_FAMILY: MIPS64EL or MIPSEL or MIPS64 or MIPS
// ARCH_CPU_PPC64_FAMILY: PPC64
// ARCH_CPU_S390_FAMILY: S390 or S390X
// ARCH_CPU_X86_FAMILY: X86 or X86_64
// ARCH_CPU_RISCV_FAMILY: Riscv64
// Processor features:
// ARCH_CPU_31_BITS / ARCH_CPU_32_BITS / ARCH_CPU_64_BITS
// ARCH_CPU_BIG_ENDIAN / ARCH_CPU_LITTLE_ENDIAN
#ifndef BUILD_BUILD_CONFIG_H_
#define BUILD_BUILD_CONFIG_H_
#include "build/buildflag.h" // IWYU pragma: export
// A set of macros to use for platform detection.
#if defined(__native_client__)
// __native_client__ must be first, so that other OS_ defines are not set.
#define OS_NACL 1
#elif defined(ANDROID)
#define OS_ANDROID 1
#elif defined(__APPLE__)
// Only include TargetConditionals after testing ANDROID as some Android builds
// on the Mac have this header available and it's not needed unless the target
// is really an Apple platform.
#include <TargetConditionals.h>
#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
#define OS_IOS 1
// Catalyst is the technology that allows running iOS apps on macOS. These
// builds are both OS_IOS and OS_IOS_MACCATALYST.
#if defined(TARGET_OS_MACCATALYST) && TARGET_OS_MACCATALYST
#define OS_IOS_MACCATALYST
#endif // defined(TARGET_OS_MACCATALYST) && TARGET_OS_MACCATALYST
#else
#define OS_MAC 1
#endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
#elif defined(__linux__)
#if !defined(OS_CHROMEOS)
// Do not define OS_LINUX on Chrome OS build.
// The OS_CHROMEOS macro is defined in GN.
#define OS_LINUX 1
#endif // !defined(OS_CHROMEOS)
// Include a system header to pull in features.h for glibc/uclibc macros.
#include <assert.h>
#if defined(__GLIBC__) && !defined(__UCLIBC__)
// We really are using glibc, not uClibc pretending to be glibc.
#define LIBC_GLIBC 1
#endif
#elif defined(_WIN32)
#define OS_WIN 1
#elif defined(__Fuchsia__)
#define OS_FUCHSIA 1
#elif defined(__FreeBSD__)
#define OS_FREEBSD 1
#elif defined(__NetBSD__)
#define OS_NETBSD 1
#elif defined(__OpenBSD__)
#define OS_OPENBSD 1
#elif defined(__sun)
#define OS_SOLARIS 1
#elif defined(__QNXNTO__)
#define OS_QNX 1
#elif defined(_AIX)
#define OS_AIX 1
#elif defined(__asmjs__) || defined(__wasm__)
#define OS_ASMJS 1
#elif defined(__MVS__)
#define OS_ZOS 1
#else
#error Please add support for your platform in build/build_config.h
#endif
// NOTE: Adding a new port? Please follow
// https://chromium.googlesource.com/chromium/src/+/main/docs/new_port_policy.md
#if defined(OS_MAC) || defined(OS_IOS)
#define OS_APPLE 1
#endif
// For access to standard BSD features, use OS_BSD instead of a
// more specific macro.
#if defined(OS_FREEBSD) || defined(OS_NETBSD) || defined(OS_OPENBSD)
#define OS_BSD 1
#endif
// For access to standard POSIXish features, use OS_POSIX instead of a
// more specific macro.
#if defined(OS_AIX) || defined(OS_ANDROID) || defined(OS_ASMJS) || \
defined(OS_FREEBSD) || defined(OS_IOS) || defined(OS_LINUX) || \
defined(OS_CHROMEOS) || defined(OS_MAC) || defined(OS_NACL) || \
defined(OS_NETBSD) || defined(OS_OPENBSD) || defined(OS_QNX) || \
defined(OS_SOLARIS) || defined(OS_ZOS)
#define OS_POSIX 1
#endif
// OS build flags
#if defined(OS_AIX)
#define BUILDFLAG_INTERNAL_IS_AIX() (1)
#else
#define BUILDFLAG_INTERNAL_IS_AIX() (0)
#endif
#if defined(OS_ANDROID)
#define BUILDFLAG_INTERNAL_IS_ANDROID() (1)
#else
#define BUILDFLAG_INTERNAL_IS_ANDROID() (0)
#endif
#if defined(OS_APPLE)
#define BUILDFLAG_INTERNAL_IS_APPLE() (1)
#else
#define BUILDFLAG_INTERNAL_IS_APPLE() (0)
#endif
#if defined(OS_ASMJS)
#define BUILDFLAG_INTERNAL_IS_ASMJS() (1)
#else
#define BUILDFLAG_INTERNAL_IS_ASMJS() (0)
#endif
#if defined(OS_BSD)
#define BUILDFLAG_INTERNAL_IS_BSD() (1)
#else
#define BUILDFLAG_INTERNAL_IS_BSD() (0)
#endif
#if defined(OS_CHROMEOS)
#define BUILDFLAG_INTERNAL_IS_CHROMEOS() (1)
#else
#define BUILDFLAG_INTERNAL_IS_CHROMEOS() (0)
#endif
#if defined(OS_FREEBSD)
#define BUILDFLAG_INTERNAL_IS_FREEBSD() (1)
#else
#define BUILDFLAG_INTERNAL_IS_FREEBSD() (0)
#endif
#if defined(OS_FUCHSIA)
#define BUILDFLAG_INTERNAL_IS_FUCHSIA() (1)
#else
#define BUILDFLAG_INTERNAL_IS_FUCHSIA() (0)
#endif
#if defined(OS_IOS)
#define BUILDFLAG_INTERNAL_IS_IOS() (1)
#else
#define BUILDFLAG_INTERNAL_IS_IOS() (0)
#endif
#if defined(OS_IOS_MACCATALYST)
#define BUILDFLAG_INTERNAL_IS_IOS_MACCATALYST() (1)
#else
#define BUILDFLAG_INTERNAL_IS_IOS_MACCATALYST() (0)
#endif
#if defined(OS_LINUX)
#define BUILDFLAG_INTERNAL_IS_LINUX() (1)
#else
#define BUILDFLAG_INTERNAL_IS_LINUX() (0)
#endif
#if defined(OS_MAC)
#define BUILDFLAG_INTERNAL_IS_MAC() (1)
#else
#define BUILDFLAG_INTERNAL_IS_MAC() (0)
#endif
#if defined(OS_NACL)
#define BUILDFLAG_INTERNAL_IS_NACL() (1)
#else
#define BUILDFLAG_INTERNAL_IS_NACL() (0)
#endif
#if defined(OS_NETBSD)
#define BUILDFLAG_INTERNAL_IS_NETBSD() (1)
#else
#define BUILDFLAG_INTERNAL_IS_NETBSD() (0)
#endif
#if defined(OS_OPENBSD)
#define BUILDFLAG_INTERNAL_IS_OPENBSD() (1)
#else
#define BUILDFLAG_INTERNAL_IS_OPENBSD() (0)
#endif
#if defined(OS_POSIX)
#define BUILDFLAG_INTERNAL_IS_POSIX() (1)
#else
#define BUILDFLAG_INTERNAL_IS_POSIX() (0)
#endif
#if defined(OS_QNX)
#define BUILDFLAG_INTERNAL_IS_QNX() (1)
#else
#define BUILDFLAG_INTERNAL_IS_QNX() (0)
#endif
#if defined(OS_SOLARIS)
#define BUILDFLAG_INTERNAL_IS_SOLARIS() (1)
#else
#define BUILDFLAG_INTERNAL_IS_SOLARIS() (0)
#endif
#if defined(OS_WIN)
#define BUILDFLAG_INTERNAL_IS_WIN() (1)
#else
#define BUILDFLAG_INTERNAL_IS_WIN() (0)
#endif
#if defined(USE_OZONE)
#define BUILDFLAG_INTERNAL_IS_OZONE() (1)
#else
#define BUILDFLAG_INTERNAL_IS_OZONE() (0)
#endif
// Compiler detection. Note: clang masquerades as GCC on POSIX and as MSVC on
// Windows.
#if defined(__GNUC__)
#define COMPILER_GCC 1
#elif defined(_MSC_VER)
#define COMPILER_MSVC 1
#else
#error Please add support for your compiler in build/build_config.h
#endif
// Processor architecture detection. For more info on what's defined, see:
// http://msdn.microsoft.com/en-us/library/b0084kay.aspx
// http://www.agner.org/optimize/calling_conventions.pdf
// or with gcc, run: "echo | gcc -E -dM -"
#if defined(_M_X64) || defined(__x86_64__)
#define ARCH_CPU_X86_FAMILY 1
#define ARCH_CPU_X86_64 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(_M_IX86) || defined(__i386__)
#define ARCH_CPU_X86_FAMILY 1
#define ARCH_CPU_X86 1
#define ARCH_CPU_32_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__s390x__)
#define ARCH_CPU_S390_FAMILY 1
#define ARCH_CPU_S390X 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_BIG_ENDIAN 1
#elif defined(__s390__)
#define ARCH_CPU_S390_FAMILY 1
#define ARCH_CPU_S390 1
#define ARCH_CPU_31_BITS 1
#define ARCH_CPU_BIG_ENDIAN 1
#elif (defined(__PPC64__) || defined(__PPC__)) && defined(__BIG_ENDIAN__)
#define ARCH_CPU_PPC64_FAMILY 1
#define ARCH_CPU_PPC64 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_BIG_ENDIAN 1
#elif defined(__PPC64__)
#define ARCH_CPU_PPC64_FAMILY 1
#define ARCH_CPU_PPC64 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__ARMEL__)
#define ARCH_CPU_ARM_FAMILY 1
#define ARCH_CPU_ARMEL 1
#define ARCH_CPU_32_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__aarch64__) || defined(_M_ARM64)
#define ARCH_CPU_ARM_FAMILY 1
#define ARCH_CPU_ARM64 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__pnacl__) || defined(__asmjs__) || defined(__wasm__)
#define ARCH_CPU_32_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__MIPSEL__)
#if defined(__LP64__)
#define ARCH_CPU_MIPS_FAMILY 1
#define ARCH_CPU_MIPS64EL 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#else
#define ARCH_CPU_MIPS_FAMILY 1
#define ARCH_CPU_MIPSEL 1
#define ARCH_CPU_32_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#endif
#elif defined(__MIPSEB__)
#if defined(__LP64__)
#define ARCH_CPU_MIPS_FAMILY 1
#define ARCH_CPU_MIPS64 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_BIG_ENDIAN 1
#else
#define ARCH_CPU_MIPS_FAMILY 1
#define ARCH_CPU_MIPS 1
#define ARCH_CPU_32_BITS 1
#define ARCH_CPU_BIG_ENDIAN 1
#endif
#elif defined(__loongarch32)
#define ARCH_CPU_LOONG_FAMILY 1
#define ARCH_CPU_LOONG32 1
#define ARCH_CPU_32_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__loongarch64)
#define ARCH_CPU_LOONG_FAMILY 1
#define ARCH_CPU_LOONG64 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#elif defined(__riscv) && (__riscv_xlen == 64)
#define ARCH_CPU_RISCV_FAMILY 1
#define ARCH_CPU_RISCV64 1
#define ARCH_CPU_64_BITS 1
#define ARCH_CPU_LITTLE_ENDIAN 1
#else
#error Please add support for your architecture in build/build_config.h
#endif
// Type detection for wchar_t.
#if defined(OS_WIN)
#define WCHAR_T_IS_UTF16
#elif defined(OS_FUCHSIA)
#define WCHAR_T_IS_UTF32
#elif defined(OS_POSIX) && defined(COMPILER_GCC) && defined(__WCHAR_MAX__) && \
(__WCHAR_MAX__ == 0x7fffffff || __WCHAR_MAX__ == 0xffffffff)
#define WCHAR_T_IS_UTF32
#elif defined(OS_POSIX) && defined(COMPILER_GCC) && defined(__WCHAR_MAX__) && \
(__WCHAR_MAX__ == 0x7fff || __WCHAR_MAX__ == 0xffff)
// On Posix, we'll detect short wchar_t, but projects aren't guaranteed to
// compile in this mode (in particular, Chrome doesn't). This is intended for
// other projects using base who manage their own dependencies and make sure
// short wchar works for them.
#define WCHAR_T_IS_UTF16
#else
#error Please add support for your compiler in build/build_config.h
#endif
#if defined(OS_ANDROID)
// The compiler thinks std::string::const_iterator and "const char*" are
// equivalent types.
#define STD_STRING_ITERATOR_IS_CHAR_POINTER
// The compiler thinks std::u16string::const_iterator and "char16*" are
// equivalent types.
#define BASE_STRING16_ITERATOR_IS_CHAR16_POINTER
#endif
#endif // BUILD_BUILD_CONFIG_H_