1/*
2 * Copyright (C) 2006-2019 Apple Inc. All rights reserved.
3 * Copyright (C) 2007-2009 Torch Mobile, Inc.
4 * Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#pragma once
29
30/* Include compiler specific macros */
31#include <wtf/Compiler.h>
32
33/* ==== PLATFORM handles OS, operating environment, graphics API, and
34 CPU. This macro will be phased out in favor of platform adaptation
35 macros, policy decision macros, and top-level port definitions. ==== */
36#define PLATFORM(WTF_FEATURE) (defined WTF_PLATFORM_##WTF_FEATURE && WTF_PLATFORM_##WTF_FEATURE)
37
38
39/* ==== Platform adaptation macros: these describe properties of the target environment. ==== */
40
41/* CPU() - the target CPU architecture */
42#define CPU(WTF_FEATURE) (defined WTF_CPU_##WTF_FEATURE && WTF_CPU_##WTF_FEATURE)
43/* HAVE() - specific system features (headers, functions or similar) that are present or not */
44#define HAVE(WTF_FEATURE) (defined HAVE_##WTF_FEATURE && HAVE_##WTF_FEATURE)
45/* OS() - underlying operating system; only to be used for mandated low-level services like
46 virtual memory, not to choose a GUI toolkit */
47#define OS(WTF_FEATURE) (defined WTF_OS_##WTF_FEATURE && WTF_OS_##WTF_FEATURE)
48
49
50/* ==== Policy decision macros: these define policy choices for a particular port. ==== */
51
52/* USE() - use a particular third-party library or optional OS service */
53#define USE(WTF_FEATURE) (defined USE_##WTF_FEATURE && USE_##WTF_FEATURE)
54/* ENABLE() - turn on a specific feature of WebKit */
55#define ENABLE(WTF_FEATURE) (defined ENABLE_##WTF_FEATURE && ENABLE_##WTF_FEATURE)
56
57
58/* ==== CPU() - the target CPU architecture ==== */
59/* CPU(KNOWN) becomes true if we explicitly support a target CPU. */
60
61/* CPU(MIPS) - MIPS 32-bit and 64-bit */
62#if (defined(mips) || defined(__mips__) || defined(MIPS) || defined(_MIPS_) || defined(__mips64))
63#if defined(_ABI64) && (_MIPS_SIM == _ABI64)
64#define WTF_CPU_MIPS64 1
65#define WTF_MIPS_ARCH __mips64
66#else
67#define WTF_CPU_MIPS 1
68#define WTF_MIPS_ARCH __mips
69#endif
70#define WTF_CPU_KNOWN 1
71#define WTF_MIPS_PIC (defined __PIC__)
72#define WTF_MIPS_ISA(v) (defined WTF_MIPS_ARCH && WTF_MIPS_ARCH == v)
73#define WTF_MIPS_ISA_AT_LEAST(v) (defined WTF_MIPS_ARCH && WTF_MIPS_ARCH >= v)
74#define WTF_MIPS_ARCH_REV __mips_isa_rev
75#define WTF_MIPS_ISA_REV(v) (defined WTF_MIPS_ARCH_REV && WTF_MIPS_ARCH_REV == v)
76#define WTF_MIPS_ISA_REV_AT_LEAST(v) (defined WTF_MIPS_ARCH_REV && WTF_MIPS_ARCH_REV >= v)
77#define WTF_MIPS_DOUBLE_FLOAT (defined __mips_hard_float && !defined __mips_single_float)
78#define WTF_MIPS_FP64 (defined __mips_fpr && __mips_fpr == 64)
79/* MIPS requires allocators to use aligned memory */
80#define USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1
81#endif /* MIPS */
82
83/* CPU(PPC64) - PowerPC 64-bit Big Endian */
84#if ( defined(__ppc64__) \
85 || defined(__PPC64__)) \
86 && defined(__BYTE_ORDER__) \
87 && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
88#define WTF_CPU_PPC64 1
89#define WTF_CPU_KNOWN 1
90#endif
91
92/* CPU(PPC64LE) - PowerPC 64-bit Little Endian */
93#if ( defined(__ppc64__) \
94 || defined(__PPC64__) \
95 || defined(__ppc64le__) \
96 || defined(__PPC64LE__)) \
97 && defined(__BYTE_ORDER__) \
98 && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
99#define WTF_CPU_PPC64LE 1
100#define WTF_CPU_KNOWN 1
101#endif
102
103/* CPU(PPC) - PowerPC 32-bit */
104#if ( defined(__ppc__) \
105 || defined(__PPC__) \
106 || defined(__powerpc__) \
107 || defined(__powerpc) \
108 || defined(__POWERPC__) \
109 || defined(_M_PPC) \
110 || defined(__PPC)) \
111 && !CPU(PPC64) \
112 && CPU(BIG_ENDIAN)
113#define WTF_CPU_PPC 1
114#define WTF_CPU_KNOWN 1
115#endif
116
117/* CPU(X86) - i386 / x86 32-bit */
118#if defined(__i386__) \
119 || defined(i386) \
120 || defined(_M_IX86) \
121 || defined(_X86_) \
122 || defined(__THW_INTEL)
123#define WTF_CPU_X86 1
124#define WTF_CPU_KNOWN 1
125
126#if defined(__SSE2__) || (defined(_M_IX86_FP) && _M_IX86_FP >= 2)
127#define WTF_CPU_X86_SSE2 1
128#endif
129
130#endif
131
132/* CPU(X86_64) - AMD64 / Intel64 / x86_64 64-bit */
133#if defined(__x86_64__) \
134 || defined(_M_X64)
135#define WTF_CPU_X86_64 1
136#define WTF_CPU_X86_SSE2 1
137#define WTF_CPU_KNOWN 1
138#endif
139
140/* CPU(ARM64) - Apple */
141#if (defined(__arm64__) && defined(__APPLE__)) || defined(__aarch64__)
142#define WTF_CPU_ARM64 1
143#define WTF_CPU_KNOWN 1
144
145#if defined(__arm64e__)
146#define WTF_CPU_ARM64E 1
147#endif
148#endif
149
150/* CPU(ARM) - ARM, any version*/
151#define WTF_ARM_ARCH_AT_LEAST(N) (CPU(ARM) && WTF_ARM_ARCH_VERSION >= N)
152
153#if defined(arm) \
154 || defined(__arm__) \
155 || defined(ARM) \
156 || defined(_ARM_)
157#define WTF_CPU_ARM 1
158#define WTF_CPU_KNOWN 1
159
160#if defined(__ARM_PCS_VFP)
161#define WTF_CPU_ARM_HARDFP 1
162#endif
163
164/* Set WTF_ARM_ARCH_VERSION */
165#if defined(__ARM_ARCH_4__) \
166 || defined(__ARM_ARCH_4T__) \
167 || defined(__MARM_ARMV4__)
168#define WTF_ARM_ARCH_VERSION 4
169
170#elif defined(__ARM_ARCH_5__) \
171 || defined(__ARM_ARCH_5T__) \
172 || defined(__MARM_ARMV5__)
173#define WTF_ARM_ARCH_VERSION 5
174
175#elif defined(__ARM_ARCH_5E__) \
176 || defined(__ARM_ARCH_5TE__) \
177 || defined(__ARM_ARCH_5TEJ__)
178#define WTF_ARM_ARCH_VERSION 5
179/*ARMv5TE requires allocators to use aligned memory*/
180#define USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1
181
182#elif defined(__ARM_ARCH_6__) \
183 || defined(__ARM_ARCH_6J__) \
184 || defined(__ARM_ARCH_6K__) \
185 || defined(__ARM_ARCH_6Z__) \
186 || defined(__ARM_ARCH_6ZK__) \
187 || defined(__ARM_ARCH_6T2__) \
188 || defined(__ARMV6__)
189#define WTF_ARM_ARCH_VERSION 6
190
191#elif defined(__ARM_ARCH_7A__) \
192 || defined(__ARM_ARCH_7K__) \
193 || defined(__ARM_ARCH_7R__) \
194 || defined(__ARM_ARCH_7S__)
195#define WTF_ARM_ARCH_VERSION 7
196
197#elif defined(__ARM_ARCH_8__) \
198 || defined(__ARM_ARCH_8A__)
199#define WTF_ARM_ARCH_VERSION 8
200
201/* MSVC sets _M_ARM */
202#elif defined(_M_ARM)
203#define WTF_ARM_ARCH_VERSION _M_ARM
204
205/* RVCT sets _TARGET_ARCH_ARM */
206#elif defined(__TARGET_ARCH_ARM)
207#define WTF_ARM_ARCH_VERSION __TARGET_ARCH_ARM
208
209#if defined(__TARGET_ARCH_5E) \
210 || defined(__TARGET_ARCH_5TE) \
211 || defined(__TARGET_ARCH_5TEJ)
212/*ARMv5TE requires allocators to use aligned memory*/
213#define USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1
214#endif
215
216#else
217#define WTF_ARM_ARCH_VERSION 0
218
219#endif
220
221/* Set WTF_THUMB_ARCH_VERSION */
222#if defined(__ARM_ARCH_4T__)
223#define WTF_THUMB_ARCH_VERSION 1
224
225#elif defined(__ARM_ARCH_5T__) \
226 || defined(__ARM_ARCH_5TE__) \
227 || defined(__ARM_ARCH_5TEJ__)
228#define WTF_THUMB_ARCH_VERSION 2
229
230#elif defined(__ARM_ARCH_6J__) \
231 || defined(__ARM_ARCH_6K__) \
232 || defined(__ARM_ARCH_6Z__) \
233 || defined(__ARM_ARCH_6ZK__) \
234 || defined(__ARM_ARCH_6M__)
235#define WTF_THUMB_ARCH_VERSION 3
236
237#elif defined(__ARM_ARCH_6T2__) \
238 || defined(__ARM_ARCH_7__) \
239 || defined(__ARM_ARCH_7A__) \
240 || defined(__ARM_ARCH_7K__) \
241 || defined(__ARM_ARCH_7M__) \
242 || defined(__ARM_ARCH_7R__) \
243 || defined(__ARM_ARCH_7S__)
244#define WTF_THUMB_ARCH_VERSION 4
245
246/* RVCT sets __TARGET_ARCH_THUMB */
247#elif defined(__TARGET_ARCH_THUMB)
248#define WTF_THUMB_ARCH_VERSION __TARGET_ARCH_THUMB
249
250#else
251#define WTF_THUMB_ARCH_VERSION 0
252#endif
253
254
255/* CPU(ARMV5_OR_LOWER) - ARM instruction set v5 or earlier */
256/* On ARMv5 and below the natural alignment is required.
257 And there are some other differences for v5 or earlier. */
258#if !defined(ARMV5_OR_LOWER) && !WTF_ARM_ARCH_AT_LEAST(6)
259#define WTF_CPU_ARMV5_OR_LOWER 1
260#endif
261
262
263/* CPU(ARM_TRADITIONAL) - Thumb2 is not available, only traditional ARM (v4 or greater) */
264/* CPU(ARM_THUMB2) - Thumb2 instruction set is available */
265/* Only one of these will be defined. */
266#if !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2)
267# if defined(thumb2) || defined(__thumb2__) \
268 || ((defined(__thumb) || defined(__thumb__)) && WTF_THUMB_ARCH_VERSION == 4)
269# define WTF_CPU_ARM_TRADITIONAL 0
270# define WTF_CPU_ARM_THUMB2 1
271# elif WTF_ARM_ARCH_AT_LEAST(4)
272# define WTF_CPU_ARM_TRADITIONAL 1
273# define WTF_CPU_ARM_THUMB2 0
274# else
275# error "Not supported ARM architecture"
276# endif
277#elif CPU(ARM_TRADITIONAL) && CPU(ARM_THUMB2) /* Sanity Check */
278# error "Cannot use both of WTF_CPU_ARM_TRADITIONAL and WTF_CPU_ARM_THUMB2 platforms"
279#endif /* !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2) */
280
281#if defined(__ARM_NEON__) && !defined(WTF_CPU_ARM_NEON)
282#define WTF_CPU_ARM_NEON 1
283#endif
284
285#if CPU(ARM_NEON)
286/* All NEON intrinsics usage can be disabled by this macro. */
287#define HAVE_ARM_NEON_INTRINSICS 1
288#endif
289
290#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
291#define WTF_CPU_ARM_VFP 1
292#endif
293
294/* If CPU(ARM_NEON) is not enabled, we'll conservatively assume only VFP2 or VFPv3D16
295 support is available. Hence, only the first 16 64-bit floating point registers
296 are available. See:
297 NEON registers: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0473c/CJACABEJ.html
298 VFP2 and VFP3 registers: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0473c/CIHDIBDG.html
299 NEON to VFP register mapping: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0473c/CJAIJHFC.html
300*/
301#if CPU(ARM_NEON)
302#define WTF_CPU_ARM_VFP_V3_D32 1
303#else
304#define WTF_CPU_ARM_VFP_V2 1
305#endif
306
307#if defined(__ARM_ARCH_7K__)
308#define WTF_CPU_APPLE_ARMV7K 1
309#endif
310
311#if defined(__ARM_ARCH_7S__)
312#define WTF_CPU_APPLE_ARMV7S 1
313#endif
314
315#if defined(__ARM_ARCH_EXT_IDIV__) || CPU(APPLE_ARMV7S)
316#define HAVE_ARM_IDIV_INSTRUCTIONS 1
317#endif
318
319#endif /* ARM */
320
321#if !CPU(KNOWN)
322#define WTF_CPU_UNKNOWN 1
323#endif
324
325#if CPU(ARM) || CPU(MIPS) || CPU(UNKNOWN)
326#define WTF_CPU_NEEDS_ALIGNED_ACCESS 1
327#endif
328
329#if COMPILER(GCC_COMPATIBLE)
330/* __LP64__ is not defined on 64bit Windows since it uses LLP64. Using __SIZEOF_POINTER__ is simpler. */
331#if __SIZEOF_POINTER__ == 8
332#define WTF_CPU_ADDRESS64 1
333#elif __SIZEOF_POINTER__ == 4
334#define WTF_CPU_ADDRESS32 1
335#else
336#error "Unsupported pointer width"
337#endif
338#elif COMPILER(MSVC)
339#if defined(_WIN64)
340#define WTF_CPU_ADDRESS64 1
341#else
342#define WTF_CPU_ADDRESS32 1
343#endif
344#else
345/* This is the most generic way. But in OS(DARWIN), Platform.h can be included by sandbox definition file (.sb).
346 * At that time, we cannot include "stdint.h" header. So in the case of known compilers, we use predefined constants instead. */
347#include <stdint.h>
348#if UINTPTR_MAX > UINT32_MAX
349#define WTF_CPU_ADDRESS64 1
350#else
351#define WTF_CPU_ADDRESS32 1
352#endif
353#endif
354
355/* ==== OS() - underlying operating system; only to be used for mandated low-level services like
356 virtual memory, not to choose a GUI toolkit ==== */
357
358/* OS(AIX) - AIX */
359#ifdef _AIX
360#define WTF_OS_AIX 1
361#endif
362
363/* OS(DARWIN) - Any Darwin-based OS, including Mac OS X and iPhone OS */
364#ifdef __APPLE__
365#define WTF_OS_DARWIN 1
366
367#include <Availability.h>
368#include <AvailabilityMacros.h>
369#include <TargetConditionals.h>
370#endif
371
372/* OS(IOS_FAMILY) - iOS family, including iOS, macCatalyst, tvOS, watchOS */
373/* OS(IOS) - iOS only, not including macCatalyst */
374/* OS(MAC_OS_X) - macOS (not including iOS family) */
375#if OS(DARWIN)
376#if TARGET_OS_IOS && !(defined(TARGET_OS_IOSMAC) && TARGET_OS_IOSMAC)
377#define WTF_OS_IOS 1
378#endif
379#if TARGET_OS_IPHONE
380#define WTF_OS_IOS_FAMILY 1
381#elif TARGET_OS_MAC
382#define WTF_OS_MAC_OS_X 1
383#endif
384#endif
385
386/* OS(FREEBSD) - FreeBSD */
387#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
388#define WTF_OS_FREEBSD 1
389#endif
390
391/* OS(FUCHSIA) - Fuchsia */
392#ifdef __Fuchsia__
393#define WTF_OS_FUCHSIA 1
394#endif
395
396/* OS(HURD) - GNU/Hurd */
397#ifdef __GNU__
398#define WTF_OS_HURD 1
399#endif
400
401/* OS(LINUX) - Linux */
402#ifdef __linux__
403#define WTF_OS_LINUX 1
404#endif
405
406/* OS(NETBSD) - NetBSD */
407#if defined(__NetBSD__)
408#define WTF_OS_NETBSD 1
409#endif
410
411/* OS(OPENBSD) - OpenBSD */
412#ifdef __OpenBSD__
413#define WTF_OS_OPENBSD 1
414#endif
415
416/* OS(WINDOWS) - Any version of Windows */
417#if defined(WIN32) || defined(_WIN32)
418#define WTF_OS_WINDOWS 1
419#endif
420
421#define WTF_OS_WIN ERROR "USE WINDOWS WITH OS NOT WIN"
422#define WTF_OS_MAC ERROR "USE MAC_OS_X WITH OS NOT MAC"
423
424/* OS(UNIX) - Any Unix-like system */
425#if OS(AIX) \
426 || OS(DARWIN) \
427 || OS(FREEBSD) \
428 || OS(FUCHSIA) \
429 || OS(HURD) \
430 || OS(LINUX) \
431 || OS(NETBSD) \
432 || OS(OPENBSD) \
433 || defined(unix) \
434 || defined(__unix) \
435 || defined(__unix__)
436#define WTF_OS_UNIX 1
437#endif
438
439/* Operating environments */
440
441/* CPU(BIG_ENDIAN) or CPU(MIDDLE_ENDIAN) or neither, as appropriate. */
442
443#if COMPILER(GCC_COMPATIBLE)
444#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
445#define WTF_CPU_BIG_ENDIAN 1
446#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
447#define WTF_CPU_LITTLE_ENDIAN 1
448#elif __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__
449#define WTF_CPU_MIDDLE_ENDIAN 1
450#else
451#error "Unknown endian"
452#endif
453#else
454#if OS(WINDOWS)
455/* Windows only have little endian architecture. */
456#define WTF_CPU_LITTLE_ENDIAN 1
457#else
458#include <sys/types.h>
459#if __has_include(<endian.h>)
460#include <endian.h>
461#if __BYTE_ORDER == __BIG_ENDIAN
462#define WTF_CPU_BIG_ENDIAN 1
463#elif __BYTE_ORDER == __LITTLE_ENDIAN
464#define WTF_CPU_LITTLE_ENDIAN 1
465#elif __BYTE_ORDER == __PDP_ENDIAN
466#define WTF_CPU_MIDDLE_ENDIAN 1
467#else
468#error "Unknown endian"
469#endif
470#else
471#if __has_include(<machine/endian.h>)
472#include <machine/endian.h>
473#else
474#include <sys/endian.h>
475#endif
476#if BYTE_ORDER == BIG_ENDIAN
477#define WTF_CPU_BIG_ENDIAN 1
478#elif BYTE_ORDER == LITTLE_ENDIAN
479#define WTF_CPU_LITTLE_ENDIAN 1
480#elif BYTE_ORDER == PDP_ENDIAN
481#define WTF_CPU_MIDDLE_ENDIAN 1
482#else
483#error "Unknown endian"
484#endif
485#endif
486#endif
487#endif
488
489#if !CPU(LITTLE_ENDIAN) && !CPU(BIG_ENDIAN)
490#error "Unsupported endian"
491#endif
492
493/* Export macro support. Detects the attributes available for shared library symbol export
494 decorations. */
495#if OS(WINDOWS) || (COMPILER_HAS_CLANG_DECLSPEC(dllimport) && COMPILER_HAS_CLANG_DECLSPEC(dllexport))
496#define USE_DECLSPEC_ATTRIBUTE 1
497#define USE_VISIBILITY_ATTRIBUTE 0
498#elif defined(__GNUC__)
499#define USE_DECLSPEC_ATTRIBUTE 0
500#define USE_VISIBILITY_ATTRIBUTE 1
501#else
502#define USE_DECLSPEC_ATTRIBUTE 0
503#define USE_VISIBILITY_ATTRIBUTE 0
504#endif
505
506/* Standard libraries */
507#if defined(HAVE_FEATURES_H) && HAVE_FEATURES_H
508/* If the included features.h is glibc's one, __GLIBC__ is defined. */
509#include <features.h>
510#endif
511
512/* FIXME: these are all mixes of OS, operating environment and policy choices. */
513/* PLATFORM(GTK) */
514/* PLATFORM(MAC) */
515/* PLATFORM(IOS) */
516/* PLATFORM(IOS_FAMILY) */
517/* PLATFORM(IOS_SIMULATOR) */
518/* PLATFORM(IOS_FAMILY_SIMULATOR) */
519/* PLATFORM(WIN) */
520#if defined(BUILDING_GTK__)
521#define WTF_PLATFORM_GTK 1
522#elif defined(BUILDING_WPE__)
523#define WTF_PLATFORM_WPE 1
524#elif defined(BUILDING_JSCONLY__)
525/* JSCOnly does not provide PLATFORM() macro */
526#elif OS(MAC_OS_X)
527#define WTF_PLATFORM_MAC 1
528#elif OS(IOS_FAMILY)
529#if OS(IOS)
530#define WTF_PLATFORM_IOS 1
531#endif
532#define WTF_PLATFORM_IOS_FAMILY 1
533#if TARGET_OS_SIMULATOR
534#if OS(IOS)
535#define WTF_PLATFORM_IOS_SIMULATOR 1
536#endif
537#define WTF_PLATFORM_IOS_FAMILY_SIMULATOR 1
538#endif
539#if defined(TARGET_OS_IOSMAC) && TARGET_OS_IOSMAC
540#define WTF_PLATFORM_MACCATALYST 1
541#endif
542#elif OS(WINDOWS)
543#define WTF_PLATFORM_WIN 1
544#endif
545
546/* PLATFORM(COCOA) */
547#if PLATFORM(MAC) || PLATFORM(IOS_FAMILY)
548#define WTF_PLATFORM_COCOA 1
549#endif
550
551#if PLATFORM(COCOA)
552#if defined __has_include && __has_include(<CoreFoundation/CFPriv.h>)
553#define USE_APPLE_INTERNAL_SDK 1
554#endif
555#endif
556
557/* PLATFORM(APPLETV) */
558#if defined(TARGET_OS_TV) && TARGET_OS_TV
559#define WTF_PLATFORM_APPLETV 1
560#endif
561
562/* PLATFORM(WATCHOS) */
563#if defined(TARGET_OS_WATCH) && TARGET_OS_WATCH
564#define WTF_PLATFORM_WATCHOS 1
565#endif
566
567/* Graphics engines */
568
569/* USE(CG) and PLATFORM(CI) */
570#if PLATFORM(COCOA)
571#define USE_CG 1
572#define USE_CA 1
573#endif
574
575#if PLATFORM(GTK) || PLATFORM(WPE)
576#define USE_GLIB 1
577#define USE_FREETYPE 1
578#define USE_HARFBUZZ 1
579#define USE_SOUP 1
580#define USE_WEBP 1
581#define USE_FILE_LOCK 1
582#endif
583
584#if PLATFORM(GTK)
585#define GLIB_VERSION_MIN_REQUIRED GLIB_VERSION_2_36
586#define GDK_VERSION_MIN_REQUIRED GDK_VERSION_3_6
587#endif
588
589#if PLATFORM(WPE)
590#define GLIB_VERSION_MIN_REQUIRED GLIB_VERSION_2_40
591#endif
592
593#if USE(SOUP)
594#define SOUP_VERSION_MIN_REQUIRED SOUP_VERSION_2_42
595#endif
596
597/* On Windows, use QueryPerformanceCounter by default */
598#if OS(WINDOWS)
599#define USE_QUERY_PERFORMANCE_COUNTER 1
600#endif
601
602#if PLATFORM(COCOA)
603
604#define HAVE_OUT_OF_PROCESS_LAYER_HOSTING 1
605#define USE_CF 1
606#define USE_FILE_LOCK 1
607#define USE_FOUNDATION 1
608#define USE_NETWORK_CFDATA_ARRAY_CALLBACK 1
609
610/* Cocoa defines a series of platform macros for debugging. */
611/* Some of them are really annoying because they use common names (e.g. check()). */
612/* Disable those macros so that we are not limited in how we name methods and functions. */
613#undef __ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES
614#define __ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES 0
615
616#endif
617
618#if PLATFORM(MAC)
619
620#define HAVE_RUNLOOP_TIMER 1
621#define HAVE_SEC_KEYCHAIN 1
622#define USE_APPKIT 1
623#define USE_PASSKIT 1
624
625#if CPU(X86_64)
626#define HAVE_NETWORK_EXTENSION 1
627#define USE_PLUGIN_HOST_PROCESS 1
628#endif
629#endif /* PLATFORM(MAC) */
630
631#if PLATFORM(IOS_FAMILY)
632
633#define HAVE_NETWORK_EXTENSION 1
634#define HAVE_READLINE 1
635#define USE_UIKIT_EDITING 1
636#define USE_WEB_THREAD 1
637
638#if CPU(ARM64)
639#define ENABLE_JIT_CONSTANT_BLINDING 0
640#endif
641
642#if CPU(ARM_NEON)
643#undef HAVE_ARM_NEON_INTRINSICS
644#define HAVE_ARM_NEON_INTRINSICS 0
645#endif
646
647#endif /* PLATFORM(IOS_FAMILY) */
648
649#if !defined(HAVE_ACCESSIBILITY)
650#if PLATFORM(COCOA) || PLATFORM(WIN) || PLATFORM(GTK) || PLATFORM(WPE)
651#define HAVE_ACCESSIBILITY 1
652#endif
653#endif /* !defined(HAVE_ACCESSIBILITY) */
654
655/* FIXME: Remove after CMake build enabled on Darwin */
656#if OS(DARWIN)
657#define HAVE_ERRNO_H 1
658#define HAVE_LANGINFO_H 1
659#define HAVE_LOCALTIME_R 1
660#define HAVE_MMAP 1
661#define HAVE_REGEX_H 1
662#define HAVE_SIGNAL_H 1
663#define HAVE_STAT_BIRTHTIME 1
664#define HAVE_STRINGS_H 1
665#define HAVE_STRNSTR 1
666#define HAVE_SYS_PARAM_H 1
667#define HAVE_SYS_TIME_H 1
668#define HAVE_TM_GMTOFF 1
669#define HAVE_TM_ZONE 1
670#define HAVE_TIMEGM 1
671#define HAVE_PTHREAD_MAIN_NP 1
672
673#if CPU(X86_64) || CPU(ARM64)
674#define HAVE_INT128_T 1
675#endif
676#endif /* OS(DARWIN) */
677
678#if OS(UNIX)
679#define USE_PTHREADS 1
680#endif /* OS(UNIX) */
681
682#if OS(UNIX) && !OS(FUCHSIA)
683#define HAVE_RESOURCE_H 1
684#define HAVE_PTHREAD_SETSCHEDPARAM 1
685#endif
686
687#if OS(DARWIN)
688#define HAVE_DISPATCH_H 1
689#define HAVE_MADV_FREE 1
690#define HAVE_MADV_FREE_REUSE 1
691#define HAVE_MADV_DONTNEED 1
692#define HAVE_MERGESORT 1
693#define HAVE_PTHREAD_SETNAME_NP 1
694#define HAVE_READLINE 1
695#define HAVE_SYS_TIMEB_H 1
696
697#if __has_include(<mach/mach_exc.defs>) && !PLATFORM(GTK)
698#define HAVE_MACH_EXCEPTIONS 1
699#endif
700
701#if !PLATFORM(GTK)
702#define USE_ACCELERATE 1
703#endif
704#if !PLATFORM(IOS_FAMILY)
705#define HAVE_HOSTED_CORE_ANIMATION 1
706#endif
707
708#endif /* OS(DARWIN) */
709
710#if OS(DARWIN) || OS(FUCHSIA) || ((OS(FREEBSD) || defined(__GLIBC__) || defined(__BIONIC__)) && (CPU(X86) || CPU(X86_64) || CPU(ARM) || CPU(ARM64) || CPU(MIPS)))
711#define HAVE_MACHINE_CONTEXT 1
712#endif
713
714#if OS(DARWIN) || (OS(LINUX) && defined(__GLIBC__) && !defined(__UCLIBC__))
715#define HAVE_BACKTRACE 1
716#endif
717
718#if OS(DARWIN) || OS(LINUX)
719#if PLATFORM(GTK)
720#if defined(__GLIBC__) && !defined(__UCLIBC__)
721#define HAVE_BACKTRACE_SYMBOLS 1
722#endif
723#endif /* PLATFORM(GTK) */
724#define HAVE_DLADDR 1
725#endif /* OS(DARWIN) || OS(LINUX) */
726
727
728/* ENABLE macro defaults */
729
730/* FIXME: move out all ENABLE() defines from here to FeatureDefines.h */
731
732#if USE(APPLE_INTERNAL_SDK) && __has_include(<WebKitAdditions/AdditionalPlatform.h>)
733#include <WebKitAdditions/AdditionalPlatform.h>
734#endif
735
736#if USE(APPLE_INTERNAL_SDK) && __has_include(<WebKitAdditions/AdditionalFeatureDefines.h>)
737#include <WebKitAdditions/AdditionalFeatureDefines.h>
738#endif
739
740/* Include feature macros */
741#include <wtf/FeatureDefines.h>
742
743#if OS(WINDOWS)
744#define USE_SYSTEM_MALLOC 1
745#endif
746
747#if CPU(ADDRESS64)
748#if OS(DARWIN) && CPU(ARM64)
749#define WTF_CPU_EFFECTIVE_ADDRESS_WIDTH 36
750#else
751/* We strongly assume that effective address width is <= 48 in 64bit architectures (e.g. NaN boxing). */
752#define WTF_CPU_EFFECTIVE_ADDRESS_WIDTH 48
753#endif
754#else
755#define WTF_CPU_EFFECTIVE_ADDRESS_WIDTH 32
756#endif
757
758#if !defined(USE_JSVALUE64) && !defined(USE_JSVALUE32_64)
759#if CPU(ADDRESS64) || CPU(ARM64)
760#define USE_JSVALUE64 1
761#else
762#define USE_JSVALUE32_64 1
763#endif
764#endif /* !defined(USE_JSVALUE64) && !defined(USE_JSVALUE32_64) */
765
766/* The JIT is enabled by default on all x86-64 & ARM64 platforms. */
767#if !defined(ENABLE_JIT) \
768 && (CPU(X86_64) || CPU(ARM64)) \
769 && !CPU(APPLE_ARMV7K)
770#define ENABLE_JIT 1
771#endif
772
773#if USE(JSVALUE32_64)
774#if (CPU(ARM_THUMB2) || CPU(MIPS)) && OS(LINUX)
775/* On ARMv7 and MIPS on Linux the JIT is enabled unless explicitly disabled. */
776#if !defined(ENABLE_JIT)
777#define ENABLE_JIT 1
778#endif
779#else
780/* Disable JIT and force C_LOOP on all other 32bit architectures. */
781#undef ENABLE_JIT
782#define ENABLE_JIT 0
783#undef ENABLE_C_LOOP
784#define ENABLE_C_LOOP 1
785#endif
786#endif
787
788#if !defined(ENABLE_C_LOOP)
789#if ENABLE(JIT) \
790 || CPU(X86_64) || (CPU(ARM64) && !defined(__ILP32__))
791#define ENABLE_C_LOOP 0
792#else
793#define ENABLE_C_LOOP 1
794#endif
795#endif
796
797/* The FTL *does not* work on 32-bit platforms. Disable it even if someone asked us to enable it. */
798#if USE(JSVALUE32_64)
799#undef ENABLE_FTL_JIT
800#define ENABLE_FTL_JIT 0
801#endif
802
803/* The FTL is disabled on the iOS simulator, mostly for simplicity. */
804#if PLATFORM(IOS_FAMILY_SIMULATOR)
805#undef ENABLE_FTL_JIT
806#define ENABLE_FTL_JIT 0
807#endif
808
809/* If possible, try to enable a disassembler. This is optional. We proceed in two
810 steps: first we try to find some disassembler that we can use, and then we
811 decide if the high-level disassembler API can be enabled. */
812#if !defined(USE_UDIS86) && ENABLE(JIT) && (CPU(X86) || CPU(X86_64)) && !USE(CAPSTONE)
813#define USE_UDIS86 1
814#endif
815
816#if !defined(USE_ARM64_DISASSEMBLER) && ENABLE(JIT) && CPU(ARM64) && !USE(CAPSTONE)
817#define USE_ARM64_DISASSEMBLER 1
818#endif
819
820#if !defined(ENABLE_DISASSEMBLER) && (USE(UDIS86) || USE(ARM64_DISASSEMBLER) || (ENABLE(JIT) && USE(CAPSTONE)))
821#define ENABLE_DISASSEMBLER 1
822#endif
823
824#if !defined(ENABLE_DFG_JIT) && ENABLE(JIT)
825/* Enable the DFG JIT on X86 and X86_64. */
826#if (CPU(X86) || CPU(X86_64)) && (OS(DARWIN) || OS(LINUX) || OS(FREEBSD) || OS(HURD) || OS(WINDOWS))
827#define ENABLE_DFG_JIT 1
828#endif
829/* Enable the DFG JIT on ARMv7. Only tested on iOS, Linux, and FreeBSD. */
830#if (CPU(ARM_THUMB2) || CPU(ARM64)) && (PLATFORM(IOS_FAMILY) || OS(LINUX) || OS(FREEBSD))
831#define ENABLE_DFG_JIT 1
832#endif
833/* Enable the DFG JIT on MIPS. */
834#if CPU(MIPS)
835#define ENABLE_DFG_JIT 1
836#endif
837#endif
838
839/* Concurrent JS only works on 64-bit platforms because it requires that
840 values get stored to atomically. This is trivially true on 64-bit platforms,
841 but not true at all on 32-bit platforms where values are composed of two
842 separate sub-values. */
843#if ENABLE(DFG_JIT) && USE(JSVALUE64)
844#define ENABLE_CONCURRENT_JS 1
845#endif
846
847#if __has_include(<System/pthread_machdep.h>)
848#define HAVE_FAST_TLS 1
849#endif
850
851#if (CPU(X86_64) || CPU(ARM64)) && HAVE(FAST_TLS)
852#define ENABLE_FAST_TLS_JIT 1
853#endif
854
855#if CPU(X86) || CPU(X86_64) || CPU(ARM_THUMB2) || CPU(ARM64) || CPU(MIPS)
856#define ENABLE_MASM_PROBE 1
857#else
858#define ENABLE_MASM_PROBE 0
859#endif
860
861#if !ENABLE(JIT)
862#undef ENABLE_MASM_PROBE
863#define ENABLE_MASM_PROBE 0
864#endif
865
866/* If the baseline jit is not available, then disable upper tiers as well.
867 The MacroAssembler::probe() is also required for supporting the upper tiers. */
868#if !ENABLE(JIT) || !ENABLE(MASM_PROBE)
869#undef ENABLE_DFG_JIT
870#undef ENABLE_FTL_JIT
871#define ENABLE_DFG_JIT 0
872#define ENABLE_FTL_JIT 0
873#endif
874
875/* If the DFG jit is not available, then disable upper tiers as well: */
876#if !ENABLE(DFG_JIT)
877#undef ENABLE_FTL_JIT
878#define ENABLE_FTL_JIT 0
879#endif
880
881/* This controls whether B3 is built. B3 is needed for FTL JIT and WebAssembly */
882#if ENABLE(FTL_JIT)
883#define ENABLE_B3_JIT 1
884#endif
885
886#if !defined(ENABLE_WEBASSEMBLY)
887#if ENABLE(B3_JIT) && PLATFORM(COCOA) && CPU(ADDRESS64)
888#define ENABLE_WEBASSEMBLY 1
889#else
890#define ENABLE_WEBASSEMBLY 0
891#endif
892#endif
893
894/* The SamplingProfiler is the probabilistic and low-overhead profiler used by
895 * JSC to measure where time is spent inside a JavaScript program.
896 * In configurations other than Windows and Darwin, because layout of mcontext_t depends on standard libraries (like glibc),
897 * sampling profiler is enabled if WebKit uses pthreads and glibc. */
898#if !defined(ENABLE_SAMPLING_PROFILER)
899#if !ENABLE(C_LOOP) && (OS(WINDOWS) || HAVE(MACHINE_CONTEXT))
900#define ENABLE_SAMPLING_PROFILER 1
901#else
902#define ENABLE_SAMPLING_PROFILER 0
903#endif
904#endif
905
906#if ENABLE(WEBASSEMBLY) && HAVE(MACHINE_CONTEXT)
907#define ENABLE_WEBASSEMBLY_FAST_MEMORY 1
908#endif
909
910/* Counts uses of write barriers using sampling counters. Be sure to also
911 set ENABLE_SAMPLING_COUNTERS to 1. */
912#if !defined(ENABLE_WRITE_BARRIER_PROFILING)
913#define ENABLE_WRITE_BARRIER_PROFILING 0
914#endif
915
916/* Logs all allocation-related activity that goes through fastMalloc or the
917 JSC GC (both cells and butterflies). Also logs marking. Note that this
918 isn't a completely accurate view of the heap since it doesn't include all
919 butterfly resize operations, doesn't tell you what is going on with weak
920 references (other than to tell you when they're marked), and doesn't
921 track direct mmap() allocations or things like JIT allocation. */
922#if !defined(ENABLE_ALLOCATION_LOGGING)
923#define ENABLE_ALLOCATION_LOGGING 0
924#endif
925
926/* Enable verification that that register allocations are not made within generated control flow.
927 Turned on for debug builds. */
928#if !defined(ENABLE_DFG_REGISTER_ALLOCATION_VALIDATION) && ENABLE(DFG_JIT)
929#if !defined(NDEBUG)
930#define ENABLE_DFG_REGISTER_ALLOCATION_VALIDATION 1
931#else
932#define ENABLE_DFG_REGISTER_ALLOCATION_VALIDATION 0
933#endif
934#endif
935
936/* Configure the JIT */
937#if CPU(X86) && COMPILER(MSVC)
938#define JSC_HOST_CALL __fastcall
939#elif CPU(X86) && COMPILER(GCC_COMPATIBLE)
940#define JSC_HOST_CALL __attribute__ ((fastcall))
941#else
942#define JSC_HOST_CALL
943#endif
944
945#if CPU(X86) && OS(WINDOWS)
946#define CALLING_CONVENTION_IS_STDCALL 1
947#ifndef CDECL
948#if COMPILER(MSVC)
949#define CDECL __cdecl
950#else
951#define CDECL __attribute__ ((__cdecl))
952#endif
953#endif
954#else
955#define CALLING_CONVENTION_IS_STDCALL 0
956#endif
957
958#if CPU(X86)
959#define WTF_COMPILER_SUPPORTS_FASTCALL_CALLING_CONVENTION 1
960#ifndef FASTCALL
961#if COMPILER(MSVC)
962#define FASTCALL __fastcall
963#else
964#define FASTCALL __attribute__ ((fastcall))
965#endif
966#endif
967#else
968#define WTF_COMPILER_SUPPORTS_FASTCALL_CALLING_CONVENTION 0
969#endif
970
971#if ENABLE(JIT) && CALLING_CONVENTION_IS_STDCALL
972#define JIT_OPERATION CDECL
973#else
974#define JIT_OPERATION
975#endif
976
977#if PLATFORM(IOS_FAMILY) && CPU(ARM64) && (!ENABLE(FAST_JIT_PERMISSIONS) || !CPU(ARM64E))
978#define ENABLE_SEPARATED_WX_HEAP 1
979#else
980#define ENABLE_SEPARATED_WX_HEAP 0
981#endif
982
983/* Configure the interpreter */
984#if COMPILER(GCC_COMPATIBLE)
985#define HAVE_COMPUTED_GOTO 1
986#endif
987
988/* Determine if we need to enable Computed Goto Opcodes or not: */
989#if HAVE(COMPUTED_GOTO) || !ENABLE(C_LOOP)
990#define ENABLE_COMPUTED_GOTO_OPCODES 1
991#endif
992
993#if !defined(USE_LLINT_EMBEDDED_OPCODE_ID) && !ENABLE(C_LOOP) && !COMPILER(MSVC) && \
994 (CPU(X86) || CPU(X86_64) || CPU(ARM64) || (CPU(ARM_THUMB2) && OS(DARWIN)))
995/* This feature works by embedding the OpcodeID in the 32 bit just before the generated LLint code
996 that executes each opcode. It cannot be supported by the CLoop since there's no way to embed the
997 OpcodeID word in the CLoop's switch statement cases. It is also currently not implemented for MSVC.
998*/
999#define USE_LLINT_EMBEDDED_OPCODE_ID 1
1000#endif
1001
1002/* Regular Expression Tracing - Set to 1 to trace RegExp's in jsc. Results dumped at exit */
1003#define ENABLE_REGEXP_TRACING 0
1004
1005/* Yet Another Regex Runtime - turned on by default for JIT enabled ports. */
1006#if !defined(ENABLE_YARR_JIT) && ENABLE(JIT)
1007#define ENABLE_YARR_JIT 1
1008
1009/* Setting this flag compares JIT results with interpreter results. */
1010#define ENABLE_YARR_JIT_DEBUG 0
1011#endif
1012
1013#if ENABLE(YARR_JIT)
1014#if CPU(ARM64) || (CPU(X86_64) && !OS(WINDOWS))
1015/* Enable JIT'ing Regular Expressions that have nested parenthesis and back references. */
1016#define ENABLE_YARR_JIT_ALL_PARENS_EXPRESSIONS 1
1017#define ENABLE_YARR_JIT_BACKREFERENCES 1
1018#endif
1019#endif
1020
1021/* If either the JIT or the RegExp JIT is enabled, then the Assembler must be
1022 enabled as well: */
1023#if ENABLE(JIT) || ENABLE(YARR_JIT) || !ENABLE(C_LOOP)
1024#if defined(ENABLE_ASSEMBLER) && !ENABLE_ASSEMBLER
1025#error "Cannot enable the JIT or RegExp JIT without enabling the Assembler"
1026#else
1027#undef ENABLE_ASSEMBLER
1028#define ENABLE_ASSEMBLER 1
1029#endif
1030#endif
1031
1032/* If the Disassembler is enabled, then the Assembler must be enabled as well: */
1033#if ENABLE(DISASSEMBLER)
1034#if defined(ENABLE_ASSEMBLER) && !ENABLE_ASSEMBLER
1035#error "Cannot enable the Disassembler without enabling the Assembler"
1036#else
1037#undef ENABLE_ASSEMBLER
1038#define ENABLE_ASSEMBLER 1
1039#endif
1040#endif
1041
1042#ifndef ENABLE_EXCEPTION_SCOPE_VERIFICATION
1043#ifdef NDEBUG
1044#define ENABLE_EXCEPTION_SCOPE_VERIFICATION 0
1045#else
1046#define ENABLE_EXCEPTION_SCOPE_VERIFICATION 1
1047#endif
1048#endif
1049
1050#if ENABLE(DFG_JIT) && HAVE(MACHINE_CONTEXT) && (CPU(X86) || CPU(X86_64) || CPU(ARM64))
1051#define ENABLE_SIGNAL_BASED_VM_TRAPS 1
1052#endif
1053
1054/* CSS Selector JIT Compiler */
1055#if !defined(ENABLE_CSS_SELECTOR_JIT)
1056#if (CPU(X86_64) || CPU(ARM64) || (CPU(ARM_THUMB2) && PLATFORM(IOS_FAMILY))) && ENABLE(JIT) && (OS(DARWIN) || PLATFORM(GTK) || PLATFORM(WPE))
1057#define ENABLE_CSS_SELECTOR_JIT 1
1058#else
1059#define ENABLE_CSS_SELECTOR_JIT 0
1060#endif
1061#endif
1062
1063#if CPU(ARM64E) && OS(DARWIN)
1064#define HAVE_FJCVTZS_INSTRUCTION 1
1065#endif
1066
1067#if PLATFORM(IOS)
1068#define HAVE_APP_LINKS 1
1069#define USE_PASSKIT 1
1070#define USE_QUICK_LOOK 1
1071#define USE_SYSTEM_PREVIEW 1
1072#endif
1073
1074#if PLATFORM(IOS_FAMILY) && !PLATFORM(MACCATALYST)
1075#define HAVE_CELESTIAL 1
1076#define HAVE_CORE_ANIMATION_RENDER_SERVER 1
1077#endif
1078
1079#if PLATFORM(IOS_FAMILY) && !PLATFORM(MACCATALYST) && !PLATFORM(APPLETV)
1080#define HAVE_PARENTAL_CONTROLS_WITH_UNBLOCK_HANDLER 1
1081#endif
1082
1083#if PLATFORM(COCOA)
1084
1085#define USE_AVFOUNDATION 1
1086#define USE_PROTECTION_SPACE_AUTH_CALLBACK 1
1087
1088#if !PLATFORM(WATCHOS) && !PLATFORM(APPLETV) && !PLATFORM(MACCATALYST)
1089#define ENABLE_DATA_DETECTION 1
1090#endif
1091
1092#if !PLATFORM(APPLETV)
1093#define HAVE_PARENTAL_CONTROLS 1
1094#endif
1095
1096#if !PLATFORM(APPLETV)
1097#define HAVE_AVKIT 1
1098#endif
1099
1100#if ENABLE(WEBGL)
1101/* USE_ANGLE=1 uses ANGLE for the WebGL backend.
1102 It replaces USE_OPENGL, USE_OPENGL_ES and USE_EGL. */
1103#if PLATFORM(MAC)
1104#define USE_OPENGL 1
1105#define USE_OPENGL_ES 0
1106#define USE_ANGLE 0
1107#elif PLATFORM(MACCATALYST) && __has_include(<OpenGL/OpenGL.h>)
1108#define USE_OPENGL 1
1109#define USE_OPENGL_ES 0
1110#define USE_ANGLE 0
1111#else
1112#define USE_OPENGL 0
1113#define USE_OPENGL_ES 1
1114#define USE_ANGLE 0
1115#endif
1116#if PLATFORM(COCOA)
1117#ifndef GL_SILENCE_DEPRECATION
1118#define GL_SILENCE_DEPRECATION 1
1119#endif
1120#endif
1121#endif
1122
1123#define USE_METAL 1
1124
1125#if HAVE(ACCESSIBILITY)
1126#define USE_ACCESSIBILITY_CONTEXT_MENUS 1
1127#endif
1128
1129#endif
1130
1131#if ENABLE(WEBGL) && PLATFORM(WIN)
1132#define USE_OPENGL 1
1133#define USE_OPENGL_ES 1
1134#define USE_EGL 1
1135#endif
1136
1137#if ENABLE(WEBGL)
1138#if !defined(USE_ANGLE)
1139#define USE_ANGLE 0
1140#endif
1141
1142#if (USE_ANGLE && (USE_OPENGL || USE_OPENGL_ES || (defined(USE_EGL) && USE_EGL)))
1143#error USE_ANGLE is incompatible with USE_OPENGL, USE_OPENGL_ES and USE_EGL
1144#endif
1145#endif
1146
1147#if USE(TEXTURE_MAPPER) && ENABLE(GRAPHICS_CONTEXT_3D) && !defined(USE_TEXTURE_MAPPER_GL)
1148#define USE_TEXTURE_MAPPER_GL 1
1149#endif
1150
1151#if CPU(ARM_THUMB2) || CPU(ARM64)
1152#define ENABLE_BRANCH_COMPACTION 1
1153#endif
1154
1155#if !defined(ENABLE_THREADING_LIBDISPATCH) && HAVE(DISPATCH_H)
1156#define ENABLE_THREADING_LIBDISPATCH 1
1157#elif !defined(ENABLE_THREADING_OPENMP) && defined(_OPENMP)
1158#define ENABLE_THREADING_OPENMP 1
1159#elif !defined(THREADING_GENERIC)
1160#define ENABLE_THREADING_GENERIC 1
1161#endif
1162
1163#if USE(GLIB)
1164#include <wtf/glib/GTypedefs.h>
1165#endif
1166
1167#if !defined(USE_EXPORT_MACROS) && (PLATFORM(COCOA) || OS(WINDOWS))
1168#define USE_EXPORT_MACROS 1
1169#endif
1170
1171#if PLATFORM(GTK) || PLATFORM(WPE)
1172#define USE_UNIX_DOMAIN_SOCKETS 1
1173#endif
1174
1175#if !defined(USE_IMLANG_FONT_LINK2)
1176#define USE_IMLANG_FONT_LINK2 1
1177#endif
1178
1179#if !defined(ENABLE_GC_VALIDATION) && !defined(NDEBUG)
1180#define ENABLE_GC_VALIDATION 1
1181#endif
1182
1183#if !defined(ENABLE_BINDING_INTEGRITY) && !OS(WINDOWS)
1184#define ENABLE_BINDING_INTEGRITY 1
1185#endif
1186
1187#if !defined(ENABLE_TREE_DEBUGGING)
1188#if !defined(NDEBUG)
1189#define ENABLE_TREE_DEBUGGING 1
1190#else
1191#define ENABLE_TREE_DEBUGGING 0
1192#endif
1193#endif
1194
1195#if PLATFORM(IOS_FAMILY) || PLATFORM(MAC)
1196#define USE_COREMEDIA 1
1197#define USE_VIDEOTOOLBOX 1
1198#define HAVE_AVFOUNDATION_VIDEO_OUTPUT 1
1199#define HAVE_CORE_VIDEO 1
1200#define HAVE_MEDIA_PLAYER 1
1201#endif
1202
1203#if PLATFORM(IOS_FAMILY) || PLATFORM(MAC)
1204#define HAVE_AVFOUNDATION_MEDIA_SELECTION_GROUP 1
1205#endif
1206
1207#if PLATFORM(IOS_FAMILY) || PLATFORM(MAC)
1208#define HAVE_AVFOUNDATION_LEGIBLE_OUTPUT_SUPPORT 1
1209#define HAVE_MEDIA_ACCESSIBILITY_FRAMEWORK 1
1210#endif
1211
1212#if PLATFORM(IOS_FAMILY) || PLATFORM(MAC)
1213#define HAVE_AVFOUNDATION_LOADER_DELEGATE 1
1214#endif
1215
1216#if !PLATFORM(WIN)
1217#define USE_REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR 1
1218#endif
1219
1220#if PLATFORM(MAC)
1221#define HAVE_APPLE_GRAPHICS_CONTROL 1
1222#define USE_COREAUDIO 1
1223#endif
1224
1225#if !defined(USE_ZLIB)
1226#define USE_ZLIB 1
1227#endif
1228
1229#ifndef HAVE_QOS_CLASSES
1230#if PLATFORM(COCOA)
1231#define HAVE_QOS_CLASSES 1
1232#endif
1233#endif
1234
1235#ifndef HAVE_VOUCHERS
1236#if PLATFORM(COCOA)
1237#define HAVE_VOUCHERS 1
1238#endif
1239#endif
1240
1241#define USE_GRAMMAR_CHECKING 1
1242
1243#if PLATFORM(COCOA) || PLATFORM(GTK)
1244#define USE_UNIFIED_TEXT_CHECKING 1
1245#endif
1246#if PLATFORM(MAC)
1247#define USE_AUTOMATIC_TEXT_REPLACEMENT 1
1248#endif
1249
1250#if PLATFORM(MAC)
1251/* Some platforms provide UI for suggesting autocorrection. */
1252#define USE_AUTOCORRECTION_PANEL 1
1253#endif
1254
1255#if PLATFORM(COCOA)
1256/* Some platforms use spelling and autocorrection markers to provide visual cue. On such platform, if word with marker is edited, we need to remove the marker. */
1257#define USE_MARKER_REMOVAL_UPON_EDITING 1
1258#endif
1259
1260#if PLATFORM(MAC)
1261#define USE_INSERTION_UNDO_GROUPING 1
1262#endif
1263
1264#if PLATFORM(MAC) || PLATFORM(IOS_FAMILY)
1265#define HAVE_AVASSETREADER 1
1266#endif
1267
1268#if PLATFORM(COCOA)
1269#define HAVE_TIMINGDATAOPTIONS 1
1270#endif
1271
1272#if PLATFORM(COCOA)
1273#define USE_AUDIO_SESSION 1
1274#endif
1275
1276#if PLATFORM(COCOA) && !PLATFORM(IOS_FAMILY_SIMULATOR)
1277#define HAVE_IOSURFACE 1
1278#endif
1279
1280#if PLATFORM(IOS_FAMILY) && !PLATFORM(IOS_FAMILY_SIMULATOR) && !PLATFORM(MACCATALYST)
1281#define HAVE_IOSURFACE_ACCELERATOR 1
1282#endif
1283
1284#if PLATFORM(COCOA)
1285#define ENABLE_RESOURCE_USAGE 1
1286#endif
1287
1288#if PLATFORM(GTK) || PLATFORM(WPE)
1289#undef ENABLE_OPENTYPE_VERTICAL
1290#define ENABLE_OPENTYPE_VERTICAL 1
1291#endif
1292
1293#if COMPILER(MSVC)
1294#undef __STDC_FORMAT_MACROS
1295#define __STDC_FORMAT_MACROS
1296#undef __STDC_LIMIT_MACROS
1297#define __STDC_LIMIT_MACROS
1298#endif
1299
1300#if PLATFORM(MAC)
1301#define HAVE_NS_ACTIVITY 1
1302#endif
1303
1304/* Disable SharedArrayBuffers until Spectre security concerns are mitigated. */
1305#define ENABLE_SHARED_ARRAY_BUFFER 0
1306
1307#if (OS(DARWIN) && USE(CG)) || (USE(FREETYPE) && !PLATFORM(GTK)) || (PLATFORM(WIN) && (USE(CG) || USE(CAIRO)))
1308#undef ENABLE_OPENTYPE_MATH
1309#define ENABLE_OPENTYPE_MATH 1
1310#endif
1311
1312/* Set TARGET_OS_IPHONE to 0 by default to allow using it as a guard
1313 * in cross-platform the same way as it is used in OS(DARWIN) code. */
1314#if !defined(TARGET_OS_IPHONE) && !OS(DARWIN)
1315#define TARGET_OS_IPHONE 0
1316#endif
1317
1318#if PLATFORM(COCOA)
1319#define USE_MEDIATOOLBOX 1
1320#endif
1321
1322#if PLATFORM(MAC) || PLATFORM(IOS_FAMILY)
1323#define USE_OS_LOG 1
1324#if USE(APPLE_INTERNAL_SDK)
1325#define USE_OS_STATE 1
1326#endif
1327#endif
1328
1329#if PLATFORM(COCOA)
1330#define HAVE_SEC_TRUST_SERIALIZATION 1
1331#endif
1332
1333#if !defined(WTF_DEFAULT_EVENT_LOOP)
1334#define WTF_DEFAULT_EVENT_LOOP 1
1335#endif
1336
1337#if WTF_DEFAULT_EVENT_LOOP
1338#if USE(GLIB)
1339/* Use GLib's event loop abstraction. Primarily GTK port uses it. */
1340#define USE_GLIB_EVENT_LOOP 1
1341#elif OS(WINDOWS)
1342/* Use Windows message pump abstraction.
1343 * Even if the port is AppleWin, we use the Windows message pump system for the event loop,
1344 * so that USE(WINDOWS_EVENT_LOOP) && USE(CF) can be true.
1345 * And PLATFORM(WIN) and PLATFORM(GTK) are exclusive. If the port is GTK,
1346 * PLATFORM(WIN) should be false. And in that case, GLib's event loop is used.
1347 */
1348#define USE_WINDOWS_EVENT_LOOP 1
1349#elif PLATFORM(COCOA)
1350/* OS X and IOS. Use CoreFoundation & GCD abstraction. */
1351#define USE_COCOA_EVENT_LOOP 1
1352#else
1353#define USE_GENERIC_EVENT_LOOP 1
1354#endif
1355#endif
1356
1357#if PLATFORM(MAC) || PLATFORM(IOS_FAMILY)
1358#define USE_MEDIAREMOTE 1
1359#endif
1360
1361#if COMPILER(MSVC)
1362/* Enable strict runtime stack buffer checks. */
1363#pragma strict_gs_check(on)
1364#endif
1365
1366#if PLATFORM(MAC)
1367#define HAVE_TOUCH_BAR 1
1368#define USE_DICTATION_ALTERNATIVES 1
1369
1370#if defined(__LP64__)
1371#define ENABLE_WEB_PLAYBACK_CONTROLS_MANAGER 1
1372#endif
1373#endif /* PLATFORM(MAC) */
1374
1375#if PLATFORM(COCOA) && ENABLE(WEB_RTC)
1376#define USE_LIBWEBRTC 1
1377#endif
1378
1379#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300) || PLATFORM(IOS) || PLATFORM(MACCATALYST) || USE(GCRYPT)
1380#define HAVE_RSA_PSS 1
1381#endif
1382
1383#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || PLATFORM(IOS_FAMILY)
1384#define USE_SOURCE_APPLICATION_AUDIT_DATA 1
1385#endif
1386
1387#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1388#define HAVE_HSTS_STORAGE_PATH 1
1389#endif
1390
1391#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || PLATFORM(IOS) || PLATFORM(MACCATALYST)
1392#define HAVE_URL_FORMATTING 1
1393#endif
1394
1395#if !OS(WINDOWS)
1396#define HAVE_STACK_BOUNDS_FOR_NEW_THREAD 1
1397#endif
1398
1399#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300) || PLATFORM(IOS) || PLATFORM(MACCATALYST)
1400#define HAVE_AVCONTENTKEYSESSION 1
1401#endif
1402
1403#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || PLATFORM(IOS) || PLATFORM(MACCATALYST)
1404#define HAVE_SEC_KEY_PROXY 1
1405#endif
1406
1407#if PLATFORM(COCOA) && USE(CA) && !PLATFORM(IOS_FAMILY_SIMULATOR)
1408#define USE_IOSURFACE_CANVAS_BACKING_STORE 1
1409#endif
1410
1411/* FIXME: Should this be enabled or IOS_FAMILY, not just IOS? */
1412#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || PLATFORM(IOS)
1413#define HAVE_FOUNDATION_WITH_SAVE_COOKIES_WITH_COMPLETION_HANDLER 1
1414#endif
1415
1416/* FIXME: Should this be enabled for IOS_FAMILY, not just IOS? */
1417#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || PLATFORM(IOS)
1418#define HAVE_FOUNDATION_WITH_SAME_SITE_COOKIE_SUPPORT 1
1419#endif
1420
1421#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MAX_ALLOWED < 101400
1422#define HAVE_NSHTTPCOOKIESTORAGE__INITWITHIDENTIFIER_WITH_INACCURATE_NULLABILITY 1
1423#endif
1424
1425#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 101302 && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300) || PLATFORM(IOS_FAMILY)
1426#define HAVE_CFNETWORK_WITH_CONTENT_ENCODING_SNIFFING_OVERRIDE 1
1427/* The override isn't needed on iOS family, as the default behavior is to not sniff. */
1428/* FIXME: This should probably be enabled on 10.13.2 and newer, not just 10.14 and newer. */
1429#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400
1430#define USE_CFNETWORK_CONTENT_ENCODING_SNIFFING_OVERRIDE 1
1431#endif
1432#endif
1433
1434#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 101302 && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300) || PLATFORM(IOS_FAMILY)
1435#define HAVE_CFNETWORK_WITH_IGNORE_HSTS 1
1436#endif
1437
1438#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300 && __MAC_OS_X_VERSION_MAX_ALLOWED >= 101302) || PLATFORM(IOS_FAMILY)
1439#define HAVE_CFNETWORK_WITH_AUTO_ADDED_HTTP_HEADER_SUPPRESSION_SUPPORT 1
1440/* FIXME: Does this work, and is this needed on other iOS family platforms? */
1441#if PLATFORM(MAC) || PLATFORM(IOS)
1442#define USE_CFNETWORK_AUTO_ADDED_HTTP_HEADER_SUPPRESSION 1
1443#endif
1444#endif
1445
1446#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000) || PLATFORM(GTK)
1447#define HAVE_OS_DARK_MODE_SUPPORT 1
1448#endif
1449
1450#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400
1451#define HAVE_CG_FONT_RENDERING_GET_FONT_SMOOTHING_DISABLED 1
1452#endif
1453
1454#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1455#define HAVE_CA_WHERE_ADDITIVE_TRANSFORMS_ARE_REVERSED 1
1456#endif
1457
1458#ifdef __APPLE__
1459#define HAVE_FUNC_USLEEP 1
1460#endif
1461
1462#if PLATFORM(MAC) || PLATFORM(WPE)
1463/* FIXME: This really needs a descriptive name, this "new theme" was added in 2008. */
1464#define USE_NEW_THEME 1
1465#endif
1466
1467#if PLATFORM(MAC)
1468#define HAVE_WINDOW_SERVER_OCCLUSION_NOTIFICATIONS 1
1469#endif
1470
1471#if PLATFORM(COCOA)
1472#define HAVE_SEC_ACCESS_CONTROL 1
1473#endif
1474
1475#if PLATFORM(IOS)
1476/* FIXME: SafariServices.framework exists on macOS. It is only used by WebKit on iOS, so the behavior is correct, but the name is misleading. */
1477#define HAVE_SAFARI_SERVICES_FRAMEWORK 1
1478#endif
1479
1480#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300 && !defined(__i386__)) || PLATFORM(IOS) || PLATFORM(WATCHOS)
1481#define HAVE_SAFE_BROWSING 1
1482#endif
1483
1484#if PLATFORM(IOS)
1485#define HAVE_LINK_PREVIEW 1
1486#endif
1487
1488#if PLATFORM(COCOA)
1489/* FIXME: This is a USE style macro, as it triggers the use of CFURLConnection framework stubs. */
1490/* FIXME: Is this still necessary? CFURLConnection isn't used on Cocoa platforms any more. */
1491#define ENABLE_SEC_ITEM_SHIM 1
1492#endif
1493
1494#if (PLATFORM(IOS_FAMILY) || (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400))
1495#define HAVE_ACCESSIBILITY_SUPPORT 1
1496#endif
1497
1498#if PLATFORM(MAC)
1499#define ENABLE_FULL_KEYBOARD_ACCESS 1
1500#endif
1501
1502#if PLATFORM(IOS_FAMILY) || (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400)
1503#define HAVE_AUTHORIZATION_STATUS_FOR_MEDIA_TYPE 1
1504#endif
1505
1506#if (PLATFORM(MAC) && (__MAC_OS_X_VERSION_MIN_REQUIRED == 101200 || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101400 && __MAC_OS_X_VERSION_MAX_ALLOWED >= 101404))) || (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 120000 && __IPHONE_OS_VERSION_MAX_ALLOWED >= 120200) || (PLATFORM(WATCHOS) && __WATCH_OS_VERSION_MIN_REQUIRED >= 50000 && __WATCH_OS_VERSION_MAX_ALLOWED >= 50200) || (PLATFORM(APPLETV) && __TV_OS_VERSION_MIN_REQUIRED >= 120000 && __TV_OS_VERSION_MAX_ALLOWED >= 120200)
1507#define HAVE_CFNETWORK_OVERRIDE_SESSION_COOKIE_ACCEPT_POLICY 1
1508#endif
1509
1510#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1511#define HAVE_CFNETWORK_NSURLSESSION_STRICTRUSTEVALUATE 1
1512#endif
1513
1514#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 110000)
1515#define HAVE_CFNETWORK_NSURLSESSIONTASKTRANSACTIONMETRICS_SPI 1
1516#endif
1517
1518#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1519#define HAVE_CFNETWORK_NEGOTIATED_SSL_PROTOCOL_CIPHER 1
1520#define HAVE_CFNETWORK_NSURLSESSIONTASKTRANSACTIONMETRICS_ADDITIONS 1
1521#endif
1522
1523#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500
1524#define HAVE_CSCHECKFIXDISABLE 1
1525#endif
1526
1527#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1528#define HAVE_SANDBOX_ISSUE_MACH_EXTENSION_TO_PROCESS_BY_PID 1
1529#endif
1530
1531#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1532#define HAVE_MDNS_FAST_REGISTRATION 1
1533#endif
1534
1535#if PLATFORM(MAC)
1536#define ENABLE_MONOSPACE_FONT_EXCEPTION (__MAC_OS_X_VERSION_MIN_REQUIRED < 101500)
1537#elif PLATFORM(IOS_FAMILY)
1538#define ENABLE_MONOSPACE_FONT_EXCEPTION (__IPHONE_OS_VERSION_MIN_REQUIRED < 130000)
1539#endif
1540
1541#if PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000
1542#define HAVE_UI_WEB_TOUCH_EVENTS_GESTURE_RECOGNIZER_WITH_ACTIVE_TOUCHES_BY_ID 1
1543#endif
1544
1545#if PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000
1546#define HAVE_ARKIT_QUICK_LOOK_PREVIEW_ITEM 1
1547#endif
1548
1549#if PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000
1550#define HAVE_UI_WK_DOCUMENT_CONTEXT 1
1551#endif
1552
1553#if PLATFORM(MACCATALYST)
1554#define ENABLE_PLATFORM_DRIVEN_TEXT_CHECKING 1
1555#endif
1556
1557#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000) || (PLATFORM(WATCHOS) && __WATCH_OS_VERSION_MIN_REQUIRED >= 60000) || (PLATFORM(APPLETV) && __TV_OS_VERSION_MIN_REQUIRED >= 130000)
1558#define HAVE_ALLOWS_SENSITIVE_LOGGING 1
1559#define HAVE_FAIRPLAYSTREAMING_CENC_INITDATA 1
1560#endif
1561
1562#if (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000) || (PLATFORM(WATCHOS) && __WATCH_OS_VERSION_MIN_REQUIRED >= 60000) || (PLATFORM(APPLETV) && __TV_OS_VERSION_MIN_REQUIRED >= 130000)
1563#define HAVE_UI_SCROLL_VIEW_INDICATOR_FLASHING_SPI 1
1564#endif
1565
1566#if (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1567#define HAVE_APP_LINKS_WITH_ISENABLED 1
1568#define HAVE_ROUTE_SHARING_POLICY_LONG_FORM_VIDEO 1
1569#endif
1570
1571#if (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 120000 && !PLATFORM(IOS_SIMULATOR))
1572#define HAVE_DEVICE_MANAGEMENT 1
1573#endif
1574
1575#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MAX_ALLOWED < 101500
1576#define USE_REALPATH_FOR_DLOPEN_PREFLIGHT 1
1577#endif
1578
1579#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000) || (PLATFORM(WATCHOS) && __WATCH_OS_VERSION_MIN_REQUIRED >= 60000) || (PLATFORM(APPLETV) && __TV_OS_VERSION_MIN_REQUIRED >= 130000)
1580#define HAVE_NSURLSESSION_WEBSOCKET 1
1581#endif
1582
1583#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000) || (PLATFORM(WATCHOS) && __WATCH_OS_VERSION_MIN_REQUIRED >= 60000) || (PLATFORM(APPLETV) && __TV_OS_VERSION_MIN_REQUIRED >= 130000)
1584#define HAVE_AVPLAYER_RESOURCE_CONSERVATION_LEVEL 1
1585#endif
1586
1587#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 120000) || (PLATFORM(WATCHOS) && __WATCH_OS_VERSION_MIN_REQUIRED >= 50000) || (PLATFORM(APPLETV) && __TV_OS_VERSION_MIN_REQUIRED >= 120000)
1588#define HAVE_CORETEXT_AUTO_OPTICAL_SIZING 1
1589#endif
1590
1591#if (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000 || PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500)
1592#define HAVE_APP_SSO 1
1593#endif
1594
1595#if PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000
1596#define USE_UICONTEXTMENU 1
1597#endif
1598
1599#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED <= 101300
1600#define USE_INTEL_METAL_WORKAROUND 1
1601#endif
1602
1603#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500
1604#define HAVE_SUBVIEWS_IVAR_SPI 1
1605#endif
1606