The Tor Browser / file revision

 /*

  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc.  All rights reserved.

  * Copyright (C) 2007-2009 Torch Mobile, Inc.

  * Copyright (C) Research In Motion Limited 2010. All rights reserved.

  *

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions

  * are met:

  * 1. Redistributions of source code must retain the above copyright

  *    notice, this list of conditions and the following disclaimer.

  * 2. Redistributions in binary form must reproduce the above copyright

  *    notice, this list of conditions and the following disclaimer in the

  *    documentation and/or other materials provided with the distribution.

  *

  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

  */

 #ifndef assembler_wtf_Platform_h

 #define assembler_wtf_Platform_h

 /* ==== PLATFORM handles OS, operating environment, graphics API, and

    CPU. This macro will be phased out in favor of platform adaptation

    macros, policy decision macros, and top-level port definitions. ==== */

 #define PLATFORM(WTF_FEATURE) (defined WTF_PLATFORM_##WTF_FEATURE  && WTF_PLATFORM_##WTF_FEATURE)

 /* ==== Platform adaptation macros: these describe properties of the target environment. ==== */

 /* COMPILER() - the compiler being used to build the project */

 #define COMPILER(WTF_FEATURE) (defined WTF_COMPILER_##WTF_FEATURE  && WTF_COMPILER_##WTF_FEATURE)

 /* CPU() - the target CPU architecture */

 #define CPU(WTF_FEATURE) (defined WTF_CPU_##WTF_FEATURE  && WTF_CPU_##WTF_FEATURE)

 /* HAVE() - specific system features (headers, functions or similar) that are present or not */

 #define HAVE(WTF_FEATURE) (defined HAVE_##WTF_FEATURE  && HAVE_##WTF_FEATURE)

 /* OS() - underlying operating system; only to be used for mandated low-level services like

    virtual memory, not to choose a GUI toolkit */

 #define OS(WTF_FEATURE) (defined WTF_OS_##WTF_FEATURE  && WTF_OS_##WTF_FEATURE)

 /* ==== Policy decision macros: these define policy choices for a particular port. ==== */

 /* USE() - use a particular third-party library or optional OS service */

 #define USE(WTF_FEATURE) (defined WTF_USE_##WTF_FEATURE  && WTF_USE_##WTF_FEATURE)

 /* ENABLE() - turn on a specific feature of WebKit */

 #define ENABLE(WTF_FEATURE) (defined ENABLE_##WTF_FEATURE  && ENABLE_##WTF_FEATURE)

 /* ==== COMPILER() - the compiler being used to build the project ==== */

 /* WTF_COMPILER_MSVC Microsoft Visual C++ */

 /* WTF_COMPILER_MSVC7_OR_LOWER Microsoft Visual C++ 2003 or lower*/

 /* WTF_COMPILER_MSVC9_OR_LOWER Microsoft Visual C++ 2008 or lower*/

 #if defined(_MSC_VER)

 #define WTF_COMPILER_MSVC 1

 #if _MSC_VER < 1400

 #define WTF_COMPILER_MSVC7_OR_LOWER 1

 #elif _MSC_VER < 1600

 #define WTF_COMPILER_MSVC9_OR_LOWER 1

 #endif

 #endif

 /* WTF_COMPILER_RVCT  - ARM RealView Compilation Tools */

 /* WTF_COMPILER_RVCT4_OR_GREATER - ARM RealView Compilation Tools 4.0 or greater */

 #if defined(__CC_ARM) || defined(__ARMCC__)

 #define WTF_COMPILER_RVCT 1

 #define RVCT_VERSION_AT_LEAST(major, minor, patch, build) (__ARMCC_VERSION >= (major * 100000 + minor * 10000 + patch * 1000 + build))

 #else

 /* Define this for !RVCT compilers, just so we can write things like RVCT_VERSION_AT_LEAST(3, 0, 0, 0). */

 #define RVCT_VERSION_AT_LEAST(major, minor, patch, build) 0

 #endif

 /* WTF_COMPILER_GCC - GNU Compiler Collection */

 /* --gnu option of the RVCT compiler also defines __GNUC__ */

 #if defined(__GNUC__) && !WTF_COMPILER_RVCT

 #define WTF_COMPILER_GCC 1

 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)

 #define GCC_VERSION_AT_LEAST(major, minor, patch) (GCC_VERSION >= (major * 10000 + minor * 100 + patch))

 #else

 /* Define this for !GCC compilers, just so we can write things like GCC_VERSION_AT_LEAST(4, 1, 0). */

 #define GCC_VERSION_AT_LEAST(major, minor, patch) 0

 #endif

 /* WTF_COMPILER_MINGW - MinGW GCC */

 /* WTF_COMPILER_MINGW64 - mingw-w64 GCC - only used as additional check to exclude mingw.org specific functions */

 #if defined(__MINGW32__)

 #define WTF_COMPILER_MINGW 1

 #include <_mingw.h> /* private MinGW header */

     #if defined(__MINGW64_VERSION_MAJOR) /* best way to check for mingw-w64 vs mingw.org */

         #define WTF_COMPILER_MINGW64 1

     #endif /* __MINGW64_VERSION_MAJOR */

 #endif /* __MINGW32__ */

 /* WTF_COMPILER_WINSCW - CodeWarrior for Symbian emulator */

 #if defined(__WINSCW__)

 #define WTF_COMPILER_WINSCW 1

 /* cross-compiling, it is not really windows */

 #undef WIN32

 #undef _WIN32

 #endif

 /* WTF_COMPILER_INTEL - Intel C++ Compiler */

 #if defined(__INTEL_COMPILER)

 #define WTF_COMPILER_INTEL 1

 #endif

 /* WTF_COMPILER_SUNCC */

 #if defined(__SUNPRO_CC) || defined(__SUNPRO_C)

 #define WTF_COMPILER_SUNCC 1

 #endif

 /* ==== CPU() - the target CPU architecture ==== */

 /* This also defines WTF_CPU_BIG_ENDIAN or WTF_CPU_MIDDLE_ENDIAN or neither, as appropriate. */

 /* WTF_CPU_ALPHA - DEC Alpha */

 #if defined(__alpha__)

 #define WTF_CPU_ALPHA 1

 #endif

 /* WTF_CPU_IA64 - Itanium / IA-64 */

 #if defined(__ia64__)

 #define WTF_CPU_IA64 1

 /* 32-bit mode on Itanium */

 #if !defined(__LP64__)

 #define WTF_CPU_IA64_32 1

 #endif

 #endif

 /* WTF_CPU_MIPS - MIPS 32-bit */

 /* Note: Only O32 ABI is tested, so we enable it for O32 ABI for now.  */

 #if (defined(mips) || defined(__mips__) || defined(MIPS) || defined(_MIPS_)) \

     && defined(_ABIO32)

 #define WTF_CPU_MIPS 1

 #if defined(__MIPSEB__)

 #define WTF_CPU_BIG_ENDIAN 1

 #endif

 #define WTF_MIPS_PIC (defined __PIC__)

 #define WTF_MIPS_ARCH __mips

 #define WTF_MIPS_ISA(v) (defined WTF_MIPS_ARCH && WTF_MIPS_ARCH == v)

 #define WTF_MIPS_ISA_AT_LEAST(v) (defined WTF_MIPS_ARCH && WTF_MIPS_ARCH >= v)

 #define WTF_MIPS_ARCH_REV __mips_isa_rev

 #define WTF_MIPS_ISA_REV(v) (defined WTF_MIPS_ARCH_REV && WTF_MIPS_ARCH_REV == v)

 #define WTF_MIPS_DOUBLE_FLOAT (defined __mips_hard_float && !defined __mips_single_float)

 #define WTF_MIPS_FP64 (defined __mips_fpr && __mips_fpr == 64)

 /* MIPS requires allocators to use aligned memory */

 #define WTF_USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1

 #endif /* MIPS */

 /* WTF_CPU_PPC - PowerPC 32-bit */

 #if   defined(__ppc__)     \

     || defined(__PPC__)     \

     || defined(__powerpc__) \

     || defined(__powerpc)   \

     || defined(__POWERPC__) \

     || defined(_M_PPC)      \

     || defined(__PPC)

 #if !defined(__ppc64__) && !defined(__PPC64__)

 #define WTF_CPU_PPC 1

 #endif

 #if !defined(__LITTLE_ENDIAN__)

 #define WTF_CPU_BIG_ENDIAN 1

 #endif

 #endif

 /* WTF_CPU_PPC64 - PowerPC 64-bit */

 #if   defined(__ppc64__) \

     || defined(__PPC64__)

 #define WTF_CPU_PPC64 1

 #if !defined(__LITTLE_ENDIAN__)

 #define WTF_CPU_BIG_ENDIAN 1

 #endif

 #endif

 /* WTF_CPU_SH4 - SuperH SH-4 */

 #if defined(__SH4__)

 #define WTF_CPU_SH4 1

 #endif

 /* WTF_CPU_SPARC32 - SPARC 32-bit */

 #if defined(__sparc) && !defined(__arch64__) || defined(__sparcv8)

 #define WTF_CPU_SPARC32 1

 #define WTF_CPU_BIG_ENDIAN 1

 #endif

 /* WTF_CPU_SPARC64 - SPARC 64-bit */

 #if defined(__sparc__) && defined(__arch64__) || defined (__sparcv9)

 #define WTF_CPU_SPARC64 1

 #define WTF_CPU_BIG_ENDIAN 1

 #endif

 /* WTF_CPU_SPARC - any SPARC, true for WTF_CPU_SPARC32 and WTF_CPU_SPARC64 */

 #if WTF_CPU_SPARC32 || WTF_CPU_SPARC64

 #define WTF_CPU_SPARC 1

 #endif

 /* WTF_CPU_S390X - S390 64-bit */

 #if defined(__s390x__)

 #define WTF_CPU_S390X 1

 #define WTF_CPU_BIG_ENDIAN 1

 #endif

 /* WTF_CPU_S390 - S390 32-bit */

 #if defined(__s390__)

 #define WTF_CPU_S390 1

 #define WTF_CPU_BIG_ENDIAN 1

 #endif

 #if defined(__aarch64__)

 #define WTF_CPU_AARCH64 1

 #if defined(__AARCH64EB__)

 #define WTF_CPU_BIG_ENDIAN 1

 #endif

 #endif

 /* WTF_CPU_X86 - i386 / x86 32-bit */

 #if   defined(__i386__) \

     || defined(i386)     \

     || defined(_M_IX86)  \

     || defined(_X86_)    \

     || defined(__THW_INTEL)

 #define WTF_CPU_X86 1

 #endif

 /* WTF_CPU_X86_64 - AMD64 / Intel64 / x86_64 64-bit */

 #if   defined(__x86_64__) \

     || defined(_M_X64)

 #define WTF_CPU_X86_64 1

 #endif

 /* WTF_CPU_ARM - ARM, any version*/

 #if   defined(arm) \

     || defined(__arm__) \

     || defined(ARM) \

     || defined(_ARM_)

 #define WTF_CPU_ARM 1

 #if defined(__ARMEB__) || (WTF_COMPILER_RVCT && defined(__BIG_ENDIAN))

 #define WTF_CPU_BIG_ENDIAN 1

 #elif !defined(__ARM_EABI__) \

     && !defined(__EABI__) \

     && !defined(__VFP_FP__) \

     && !defined(_WIN32_WCE) \

     && !defined(ANDROID)

 #define WTF_CPU_MIDDLE_ENDIAN 1

 #endif

 #define WTF_ARM_ARCH_AT_LEAST(N) (CPU(ARM) && WTF_ARM_ARCH_VERSION >= N)

 #define WTF_ARM_ARCH_AT_LEAST_5 (WTF_CPU_ARM && WTF_ARM_ARCH_VERSION >= 5)

 /* Set WTF_ARM_ARCH_VERSION */

 #if   defined(__ARM_ARCH_4__) \

     || defined(__ARM_ARCH_4T__) \

     || defined(__MARM_ARMV4__) \

     || defined(_ARMV4I_)

 #define WTF_ARM_ARCH_VERSION 4

 #elif defined(__ARM_ARCH_5__) \

     || defined(__ARM_ARCH_5T__) \

     || defined(__MARM_ARMV5__)

 #define WTF_ARM_ARCH_VERSION 5

 #elif defined(__ARM_ARCH_5E__) \

     || defined(__ARM_ARCH_5TE__) \

     || defined(__ARM_ARCH_5TEJ__)

 #define WTF_ARM_ARCH_VERSION 5

 /*ARMv5TE requires allocators to use aligned memory*/

 #define WTF_USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1

 #elif defined(__ARM_ARCH_6__) \

     || defined(__ARM_ARCH_6J__) \

     || defined(__ARM_ARCH_6K__) \

     || defined(__ARM_ARCH_6Z__) \

     || defined(__ARM_ARCH_6ZK__) \

     || defined(__ARM_ARCH_6T2__) \

     || defined(__ARMV6__)

 #define WTF_ARM_ARCH_VERSION 6

 #elif defined(__ARM_ARCH_7A__) \

     || defined(__ARM_ARCH_7R__)

 #define WTF_ARM_ARCH_VERSION 7

 /* RVCT sets _TARGET_ARCH_ARM */

 #elif defined(__TARGET_ARCH_ARM)

 #define WTF_ARM_ARCH_VERSION __TARGET_ARCH_ARM

 #if defined(__TARGET_ARCH_5E) \

     || defined(__TARGET_ARCH_5TE) \

     || defined(__TARGET_ARCH_5TEJ)

 /*ARMv5TE requires allocators to use aligned memory*/

 #define WTF_USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1

 #endif

 #else

 #define WTF_ARM_ARCH_VERSION 0

 #endif

 /* Set WTF_THUMB_ARCH_VERSION */

 #if   defined(__ARM_ARCH_4T__)

 #define WTF_THUMB_ARCH_VERSION 1

 #elif defined(__ARM_ARCH_5T__) \

     || defined(__ARM_ARCH_5TE__) \

     || defined(__ARM_ARCH_5TEJ__)

 #define WTF_THUMB_ARCH_VERSION 2

 #elif defined(__ARM_ARCH_6J__) \

     || defined(__ARM_ARCH_6K__) \

     || defined(__ARM_ARCH_6Z__) \

     || defined(__ARM_ARCH_6ZK__) \

     || defined(__ARM_ARCH_6M__)

 #define WTF_THUMB_ARCH_VERSION 3

 #elif defined(__ARM_ARCH_6T2__) \

     || defined(__ARM_ARCH_7__) \

     || defined(__ARM_ARCH_7A__) \

     || defined(__ARM_ARCH_7R__) \

     || defined(__ARM_ARCH_7M__)

 #define WTF_THUMB_ARCH_VERSION 4

 /* RVCT sets __TARGET_ARCH_THUMB */

 #elif defined(__TARGET_ARCH_THUMB)

 #define WTF_THUMB_ARCH_VERSION __TARGET_ARCH_THUMB

 #else

 #define WTF_THUMB_ARCH_VERSION 0

 #endif

 /* WTF_CPU_ARMV5_OR_LOWER - ARM instruction set v5 or earlier */

 /* On ARMv5 and below the natural alignment is required.

    And there are some other differences for v5 or earlier. */

 #if !defined(ARMV5_OR_LOWER) && WTF_CPU_ARM && !(WTF_ARM_ARCH_VERSION >= 6)

 #define WTF_CPU_ARMV5_OR_LOWER 1

 #endif

 /* WTF_CPU_ARM_TRADITIONAL - Thumb2 is not available, only traditional ARM (v4 or greater) */

 /* WTF_CPU_ARM_THUMB2 - Thumb2 instruction set is available */

 /* Only one of these will be defined. */

 #if !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2)

 #  if defined(thumb2) || defined(__thumb2__) \

     || ((defined(__thumb) || defined(__thumb__)) && WTF_THUMB_ARCH_VERSION == 4)

 #    define WTF_CPU_ARM_TRADITIONAL 1

 #    define WTF_CPU_ARM_THUMB2 0

 #  elif WTF_CPU_ARM && WTF_ARM_ARCH_VERSION >= 4

 #    define WTF_CPU_ARM_TRADITIONAL 1

 #    define WTF_CPU_ARM_THUMB2 0

 #  else

 #    error "Not supported ARM architecture"

 #  endif

 #elif WTF_CPU_ARM_TRADITIONAL && WTF_CPU_ARM_THUMB2 /* Sanity Check */

 #  error "Cannot use both of WTF_CPU_ARM_TRADITIONAL and WTF_CPU_ARM_THUMB2 platforms"

 #endif /* !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2) */

 #if defined(__ARM_NEON__) && !defined(WTF_CPU_ARM_NEON)

 #define WTF_CPU_ARM_NEON 1

 #endif

 #endif /* ARM */

 #if defined(JS_ARM_SIMULATOR)

 #  undef WTF_CPU_X86

 #  undef WTF_CPU_X64

 #  define WTF_CPU_ARM_TRADITIONAL 1

 #  define WTF_CPU_ARM 1

 #endif

 #if WTF_CPU_ARM || WTF_CPU_MIPS

 #define WTF_CPU_NEEDS_ALIGNED_ACCESS 1

 #endif

 /* ==== OS() - underlying operating system; only to be used for mandated low-level services like

    virtual memory, not to choose a GUI toolkit ==== */

 /* WTF_OS_ANDROID - Android */

 #ifdef ANDROID

 #define WTF_OS_ANDROID 1

 #endif

 /* WTF_OS_AIX - AIX */

 #ifdef _AIX

 #define WTF_OS_AIX 1

 #endif

 /* WTF_OS_DARWIN - Any Darwin-based OS, including Mac OS X and iPhone OS */

 #ifdef __APPLE__

 #define WTF_OS_DARWIN 1

 /* FIXME: BUILDING_ON_.., and TARGETING... macros should be folded into the OS() system */

 #include <AvailabilityMacros.h>

 #if !defined(MAC_OS_X_VERSION_10_5) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5

 #define BUILDING_ON_TIGER 1

 #elif !defined(MAC_OS_X_VERSION_10_6) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6

 #define BUILDING_ON_LEOPARD 1

 #elif !defined(MAC_OS_X_VERSION_10_7) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7

 #define BUILDING_ON_SNOW_LEOPARD 1

 #endif

 #if !defined(MAC_OS_X_VERSION_10_5) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5

 #define TARGETING_TIGER 1

 #elif !defined(MAC_OS_X_VERSION_10_6) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6

 #define TARGETING_LEOPARD 1

 #elif !defined(MAC_OS_X_VERSION_10_7) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_7

 #define TARGETING_SNOW_LEOPARD 1

 #endif

 #include <TargetConditionals.h>

 #endif

 /* WTF_OS_IOS - iOS */

 /* WTF_OS_MAC_OS_X - Mac OS X (not including iOS) */

 #if WTF_OS_DARWIN && ((defined(TARGET_OS_EMBEDDED) && TARGET_OS_EMBEDDED)  \

     || (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE)                   \

     || (defined(TARGET_IPHONE_SIMULATOR) && TARGET_IPHONE_SIMULATOR))

 #define WTF_OS_IOS 1

 #elif WTF_OS_DARWIN && defined(TARGET_OS_MAC) && TARGET_OS_MAC

 #define WTF_OS_MAC_OS_X 1

 #endif

 /* WTF_OS_FREEBSD - FreeBSD */

 #if defined(__FreeBSD__) || defined(__DragonFly__)

 #define WTF_OS_FREEBSD 1

 #endif

 /* WTF_OS_HAIKU - Haiku */

 #ifdef __HAIKU__

 #define WTF_OS_HAIKU 1

 #endif

 /* WTF_OS_LINUX - Linux */

 #if defined(__linux__) && !defined(ANDROID)

 #define WTF_OS_LINUX 1

 #endif

 /* WTF_OS_NETBSD - NetBSD */

 #if defined(__NetBSD__)

 #define WTF_OS_NETBSD 1

 #endif

 /* WTF_OS_OPENBSD - OpenBSD */

 #ifdef __OpenBSD__

 #define WTF_OS_OPENBSD 1

 #endif

 /* WTF_OS_QNX - QNX */

 #if defined(__QNXNTO__)

 #define WTF_OS_QNX 1

 #endif

 /* WTF_OS_SOLARIS - Solaris */

 #if defined(sun) || defined(__sun)

 #define WTF_OS_SOLARIS 1

 #endif

 /* WTF_OS_WINCE - Windows CE; note that for this platform WTF_OS_WINDOWS is also defined */

 #if defined(_WIN32_WCE)

 #define WTF_OS_WINCE 1

 #endif

 /* WTF_OS_WINDOWS - Any version of Windows */

 #if defined(WIN32) || defined(_WIN32)

 #define WTF_OS_WINDOWS 1

 #endif

 /* WTF_OS_SYMBIAN - Symbian */

 #if defined (__SYMBIAN32__)

 #define WTF_OS_SYMBIAN 1

 #endif

 /* WTF_OS_UNIX - Any Unix-like system */

 #if   WTF_OS_AIX              \

     || WTF_OS_ANDROID          \

     || WTF_OS_DARWIN           \

     || WTF_OS_FREEBSD          \

     || WTF_OS_HAIKU            \

     || WTF_OS_LINUX            \

     || WTF_OS_NETBSD           \

     || WTF_OS_OPENBSD          \

     || WTF_OS_QNX              \

     || WTF_OS_SOLARIS          \

     || WTF_OS_SYMBIAN          \

     || defined(unix)        \

     || defined(__unix)      \

     || defined(__unix__)

 #define WTF_OS_UNIX 1

 #endif

 /* WTF_OS_OS2 - OS/2 */

 #if defined (__OS2__)

 #define WTF_OS_OS2 1

 #endif

 /* Operating environments */

 /* FIXME: these are all mixes of OS, operating environment and policy choices. */

 /* WTF_PLATFORM_CHROMIUM */

 /* WTF_PLATFORM_QT */

 /* WTF_PLATFORM_WX */

 /* WTF_PLATFORM_GTK */

 /* WTF_PLATFORM_HAIKU */

 /* WTF_PLATFORM_MAC */

 /* WTF_PLATFORM_WIN */

 #if defined(BUILDING_CHROMIUM__)

 #define WTF_PLATFORM_CHROMIUM 1

 #elif defined(BUILDING_QT__)

 #define WTF_PLATFORM_QT 1

 #elif defined(BUILDING_WX__)

 #define WTF_PLATFORM_WX 1

 #elif defined(BUILDING_GTK__)

 #define WTF_PLATFORM_GTK 1

 #elif defined(BUILDING_HAIKU__)

 #define WTF_PLATFORM_HAIKU 1

 #elif defined(BUILDING_BREWMP__)

 #define WTF_PLATFORM_BREWMP 1

 #if defined(AEE_SIMULATOR)

 #define WTF_PLATFORM_BREWMP_SIMULATOR 1

 #else

 #define WTF_PLATFORM_BREWMP_SIMULATOR 0

 #endif

 #undef WTF_OS_WINDOWS

 #undef WTF_PLATFORM_WIN

 #elif WTF_OS_DARWIN

 #define WTF_PLATFORM_MAC 1

 #elif WTF_OS_WINDOWS

 #define WTF_PLATFORM_WIN 1

 #endif

 /* WTF_PLATFORM_IOS */

 /* FIXME: this is sometimes used as an OS switch and sometimes for higher-level things */

 #if (defined(TARGET_OS_EMBEDDED) && TARGET_OS_EMBEDDED) || (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE)

 #define WTF_PLATFORM_IOS 1

 #endif

 /* WTF_PLATFORM_IOS_SIMULATOR */

 #if defined(TARGET_IPHONE_SIMULATOR) && TARGET_IPHONE_SIMULATOR

 #define WTF_PLATFORM_IOS 1

 #define WTF_PLATFORM_IOS_SIMULATOR 1

 #else

 #define WTF_PLATFORM_IOS_SIMULATOR 0

 #endif

 #if !defined(WTF_PLATFORM_IOS)

 #define WTF_PLATFORM_IOS 0

 #endif

 /* WTF_PLATFORM_ANDROID */

 /* FIXME: this is sometimes used as an OS() switch, and other times to drive

    policy choices */

 #if defined(ANDROID)

 #define WTF_PLATFORM_ANDROID 1

 #endif

 /* Graphics engines */

 /* WTF_USE_CG and WTF_PLATFORM_CI */

 #if WTF_PLATFORM_MAC || WTF_PLATFORM_IOS

 #define WTF_USE_CG 1

 #endif

 #if WTF_PLATFORM_MAC || WTF_PLATFORM_IOS || (WTF_PLATFORM_WIN && WTF_USE_CG)

 #define WTF_USE_CA 1

 #endif

 /* WTF_USE_SKIA for Win/Linux, CG for Mac */

 #if WTF_PLATFORM_CHROMIUM

 #if WTF_OS_DARWIN

 #define WTF_USE_CG 1

 #define WTF_USE_ATSUI 1

 #define WTF_USE_CORE_TEXT 1

 #define WTF_USE_ICCJPEG 1

 #else

 #define WTF_USE_SKIA 1

 #define WTF_USE_CHROMIUM_NET 1

 #endif

 #endif

 #if WTF_PLATFORM_BREWMP

 #define WTF_USE_SKIA 1

 #endif

 #if WTF_PLATFORM_GTK

 #define WTF_USE_CAIRO 1

 #endif

 #if WTF_OS_WINCE

 #include <ce_time.h>

 #define WTF_USE_MERSENNE_TWISTER_19937 1

 #endif

 #if WTF_PLATFORM_QT && WTF_OS_UNIX && !WTF_OS_SYMBIAN && !WTF_OS_DARWIN

 #define WTF_USE_PTHREAD_BASED_QT 1

 #endif

 #if (WTF_PLATFORM_GTK || WTF_PLATFORM_IOS || WTF_PLATFORM_MAC || WTF_PLATFORM_WIN || (WTF_PLATFORM_QT && (WTF_OS_DARWIN || WTF_USE_PTHREAD_BASED_QT) && !ENABLE_SINGLE_THREADED)) && !defined(ENABLE_JSC_MULTIPLE_THREADS)

 #define ENABLE_JSC_MULTIPLE_THREADS 1

 #endif

 #if ENABLE_JSC_MULTIPLE_THREADS

 #define ENABLE_WTF_MULTIPLE_THREADS 1

 #endif

 /* On Windows, use QueryPerformanceCounter by default */

 #if WTF_OS_WINDOWS

 #define WTF_USE_QUERY_PERFORMANCE_COUNTER  1

 #endif

 #if WTF_OS_WINCE && !WTF_PLATFORM_QT

 #define NOMINMAX       /* Windows min and max conflict with standard macros */

 #define NOSHLWAPI      /* shlwapi.h not available on WinCe */

 /* MSDN documentation says these functions are provided with uspce.lib.  But we cannot find this file. */

 #define __usp10__      /* disable "usp10.h" */

 #define _INC_ASSERT    /* disable "assert.h" */

 #define assert(x)

 #endif  /* WTF_OS_WINCE && !WTF_PLATFORM_QT */

 #if WTF_PLATFORM_QT

 #define WTF_USE_QT4_UNICODE 1

 #elif WTF_OS_WINCE

 #define WTF_USE_WINCE_UNICODE 1

 #elif WTF_PLATFORM_BREWMP

 #define WTF_USE_BREWMP_UNICODE 1

 #elif WTF_PLATFORM_GTK

 /* The GTK+ Unicode backend is configurable */

 #else

 #define WTF_USE_ICU_UNICODE 1

 #endif

 #if WTF_PLATFORM_MAC && !WTF_PLATFORM_IOS

 #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_TIGER) && WTF_CPU_X86_64

 #define WTF_USE_PLUGIN_HOST_PROCESS 1

 #endif

 #if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)

 #define ENABLE_GESTURE_EVENTS 1

 #define ENABLE_RUBBER_BANDING 1

 #define WTF_USE_WK_SCROLLBAR_PAINTER 1

 #endif

 #if !defined(ENABLE_JAVA_BRIDGE)

 #define ENABLE_JAVA_BRIDGE 1

 #endif

 #if !defined(ENABLE_DASHBOARD_SUPPORT)

 #define ENABLE_DASHBOARD_SUPPORT 1

 #endif

 #define WTF_USE_CF 1

 #define WTF_USE_PTHREADS 1

 #define HAVE_PTHREAD_RWLOCK 1

 #define HAVE_READLINE 1

 #define HAVE_RUNLOOP_TIMER 1

 #define ENABLE_FULLSCREEN_API 1

 #define ENABLE_SMOOTH_SCROLLING 1

 #define ENABLE_WEB_ARCHIVE 1

 #endif /* WTF_PLATFORM_MAC && !WTF_PLATFORM_IOS */

 #if WTF_PLATFORM_CHROMIUM && WTF_OS_DARWIN

 #define WTF_USE_CF 1

 #define WTF_USE_PTHREADS 1

 #define HAVE_PTHREAD_RWLOCK 1

 #endif

 #if WTF_PLATFORM_BREWMP

 #define ENABLE_SINGLE_THREADED 1

 #endif

 #if WTF_PLATFORM_QT && WTF_OS_DARWIN

 #define WTF_USE_CF 1

 #endif

 #if WTF_OS_DARWIN && !defined(BUILDING_ON_TIGER) && !WTF_PLATFORM_GTK && !WTF_PLATFORM_QT

 #define ENABLE_PURGEABLE_MEMORY 1

 #endif

 #if WTF_PLATFORM_IOS

 #define ENABLE_CONTEXT_MENUS 0

 #define ENABLE_DRAG_SUPPORT 0

 #define ENABLE_DATA_TRANSFER_ITEMS 0

 #define ENABLE_FTPDIR 1

 #define ENABLE_GEOLOCATION 1

 #define ENABLE_ICONDATABASE 0

 #define ENABLE_INSPECTOR 0

 #define ENABLE_JAVA_BRIDGE 0

 #define ENABLE_NETSCAPE_PLUGIN_API 0

 #define ENABLE_ORIENTATION_EVENTS 1

 #define ENABLE_REPAINT_THROTTLING 1

 #define HAVE_READLINE 1

 #define WTF_USE_CF 1

 #define WTF_USE_PTHREADS 1

 #define HAVE_PTHREAD_RWLOCK 1

 #define ENABLE_WEB_ARCHIVE 1

 #endif

 #if WTF_PLATFORM_ANDROID

 #define WTF_USE_PTHREADS 1

 #define USE_SYSTEM_MALLOC 1

 #define ENABLE_JAVA_BRIDGE 1

 #define LOG_DISABLED 1

 /* Prevents Webkit from drawing the caret in textfields and textareas

    This prevents unnecessary invals. */

 #define ENABLE_TEXT_CARET 1

 #define ENABLE_JAVASCRIPT_DEBUGGER 0

 #endif

 #if WTF_PLATFORM_WIN && !WTF_OS_WINCE

 #define WTF_USE_CF 1

 #define WTF_USE_PTHREADS 0

 #endif

 #if WTF_PLATFORM_WIN && !WTF_OS_WINCE && !WTF_PLATFORM_CHROMIUM && !defined(WIN_CAIRO)

 #define WTF_USE_CFNETWORK 1

 #endif

 #if WTF_USE_CFNETWORK || WTF_PLATFORM_MAC

 #define WTF_USE_CFURLCACHE 1

 #define WTF_USE_CFURLSTORAGESESSIONS 1

 #endif

 #if WTF_PLATFORM_WIN && !WTF_OS_WINCE && !WTF_PLATFORM_CHROMIUM && !WTF_PLATFORM_QT

 #define ENABLE_WEB_ARCHIVE 1

 #endif

 #if WTF_PLATFORM_WX

 #define ENABLE_ASSEMBLER 1

 #define ENABLE_GLOBAL_FASTMALLOC_NEW 0

 #if WTF_OS_DARWIN

 #define WTF_USE_CF 1

 #ifndef BUILDING_ON_TIGER

 #define WTF_USE_CORE_TEXT 1

 #define ENABLE_WEB_ARCHIVE 1

 #else

 #define WTF_USE_ATSUI 1

 #endif

 #endif

 #endif

 #if WTF_PLATFORM_GTK

 #if HAVE_PTHREAD_H

 #define WTF_USE_PTHREADS 1

 #define HAVE_PTHREAD_RWLOCK 1

 #endif

 #endif

 #if WTF_PLATFORM_HAIKU

 #define HAVE_POSIX_MEMALIGN 1

 #define WTF_USE_CURL 1

 #define WTF_USE_PTHREADS 1

 #define HAVE_PTHREAD_RWLOCK 1

 #define USE_SYSTEM_MALLOC 1

 #define ENABLE_NETSCAPE_PLUGIN_API 0

 #endif

 #if WTF_PLATFORM_BREWMP

 #define USE_SYSTEM_MALLOC 1

 #endif

 #if WTF_PLATFORM_BREWMP_SIMULATOR

 #define ENABLE_JIT 0

 #endif

 #if !defined(HAVE_ACCESSIBILITY)

 #if WTF_PLATFORM_IOS || WTF_PLATFORM_MAC || WTF_PLATFORM_WIN || WTF_PLATFORM_GTK || WTF_PLATFORM_CHROMIUM

 #define HAVE_ACCESSIBILITY 1

 #endif

 #endif /* !defined(HAVE_ACCESSIBILITY) */

 #if WTF_OS_UNIX && !WTF_OS_SYMBIAN

 #define HAVE_SIGNAL_H 1

 #endif

 #if !defined(HAVE_STRNSTR)

 #if WTF_OS_DARWIN || WTF_OS_FREEBSD

 #define HAVE_STRNSTR 1

 #endif

 #endif

 #if !WTF_OS_WINDOWS && !WTF_OS_SOLARIS && !WTF_OS_QNX \

     && !WTF_OS_SYMBIAN && !WTF_OS_HAIKU && !WTF_OS_RVCT \

     && !WTF_OS_ANDROID && !WTF_PLATFORM_BREWMP

 #define HAVE_TM_GMTOFF 1

 #define HAVE_TM_ZONE 1

 #define HAVE_TIMEGM 1

 #endif

 #if WTF_OS_DARWIN

 #define HAVE_ERRNO_H 1

 #define HAVE_LANGINFO_H 1

 #define HAVE_MMAP 1

 #define HAVE_MERGESORT 1

 #define HAVE_SBRK 1

 #define HAVE_STRINGS_H 1

 #define HAVE_SYS_PARAM_H 1

 #define HAVE_SYS_TIME_H 1

 #define HAVE_SYS_TIMEB_H 1

 #define WTF_USE_ACCELERATE 1

 #if !defined(TARGETING_TIGER) && !defined(TARGETING_LEOPARD)

 #define HAVE_DISPATCH_H 1

 #define HAVE_HOSTED_CORE_ANIMATION 1

 #if !WTF_PLATFORM_IOS

 #define HAVE_MADV_FREE_REUSE 1

 #define HAVE_MADV_FREE 1

 #define HAVE_PTHREAD_SETNAME_NP 1

 #endif

 #endif

 #if WTF_PLATFORM_IOS

 #define HAVE_MADV_FREE 1

 #endif

 #elif WTF_OS_WINDOWS

 #if WTF_OS_WINCE

 #define HAVE_ERRNO_H 0

 #else

 #define HAVE_SYS_TIMEB_H 1

 #define HAVE_ALIGNED_MALLOC 1

 #define HAVE_ISDEBUGGERPRESENT 1

 #endif

 #define HAVE_VIRTUALALLOC 1

 #elif WTF_OS_SYMBIAN

 #define HAVE_ERRNO_H 1

 #define HAVE_MMAP 0

 #define HAVE_SBRK 1

 #define HAVE_SYS_TIME_H 1

 #define HAVE_STRINGS_H 1

 #if !WTF_COMPILER_RVCT

 #define HAVE_SYS_PARAM_H 1

 #endif

 #elif WTF_PLATFORM_BREWMP

 #define HAVE_ERRNO_H 1

 #elif WTF_OS_QNX

 #define HAVE_ERRNO_H 1

 #define HAVE_MMAP 1

 #define HAVE_SBRK 1

 #define HAVE_STRINGS_H 1

 #define HAVE_SYS_PARAM_H 1

 #define HAVE_SYS_TIME_H 1

 #elif WTF_OS_ANDROID

 #define HAVE_ERRNO_H 1

 #define HAVE_LANGINFO_H 0

 #define HAVE_MMAP 1

 #define HAVE_SBRK 1

 #define HAVE_STRINGS_H 1

 #define HAVE_SYS_PARAM_H 1

 #define HAVE_SYS_TIME_H 1

 #elif WTF_OS_OS2

 #define USE_SYSTEM_MALLOC 1

 #define HAVE_ERRNO_H 1

 #define HAVE_LANGINFO_H 1

 #define HAVE_MMAP 0

 #define HAVE_POSIX_MEMALIGN 1

 #define HAVE_SBRK 1

 #define HAVE_SYS_PARAM_H 1

 #define HAVE_SYS_TIME_H 1

 #define HAVE_STRINGS_H 1

 #else

 /* FIXME: is this actually used or do other platforms generate their own config.h? */

 #define HAVE_ERRNO_H 1

 /* As long as Haiku doesn't have a complete support of locale this will be disabled. */

 #if !WTF_OS_HAIKU

 #define HAVE_LANGINFO_H 1

 #endif

 #define HAVE_MMAP 1

 #define HAVE_SBRK 1

 #define HAVE_STRINGS_H 1

 #define HAVE_SYS_PARAM_H 1

 #define HAVE_SYS_TIME_H 1

 #endif

 /* ENABLE macro defaults */

 #if WTF_PLATFORM_QT

 /* We must not customize the global operator new and delete for the Qt port. */

 #define ENABLE_GLOBAL_FASTMALLOC_NEW 0

 #if !WTF_OS_UNIX || WTF_OS_SYMBIAN

 #define USE_SYSTEM_MALLOC 1

 #endif

 #endif

 /* fastMalloc match validation allows for runtime verification that

    new is matched by delete, fastMalloc is matched by fastFree, etc. */

 #if !defined(ENABLE_FAST_MALLOC_MATCH_VALIDATION)

 #define ENABLE_FAST_MALLOC_MATCH_VALIDATION 0

 #endif

 #if !defined(ENABLE_ICONDATABASE)

 #define ENABLE_ICONDATABASE 1

 #endif

 #if !defined(ENABLE_DATABASE)

 #define ENABLE_DATABASE 1

 #endif

 #if !defined(ENABLE_JAVASCRIPT_DEBUGGER)

 #define ENABLE_JAVASCRIPT_DEBUGGER 1

 #endif

 #if !defined(ENABLE_FTPDIR)

 #define ENABLE_FTPDIR 1

 #endif

 #if !defined(ENABLE_CONTEXT_MENUS)

 #define ENABLE_CONTEXT_MENUS 1

 #endif

 #if !defined(ENABLE_DRAG_SUPPORT)

 #define ENABLE_DRAG_SUPPORT 1

 #endif

 #if !defined(ENABLE_DATA_TRANSFER_ITEMS)

 #define ENABLE_DATA_TRANSFER_ITEMS 0

 #endif

 #if !defined(ENABLE_DASHBOARD_SUPPORT)

 #define ENABLE_DASHBOARD_SUPPORT 0

 #endif

 #if !defined(ENABLE_INSPECTOR)

 #define ENABLE_INSPECTOR 1

 #endif

 #if !defined(ENABLE_JAVA_BRIDGE)

 #define ENABLE_JAVA_BRIDGE 0

 #endif

 #if !defined(ENABLE_NETSCAPE_PLUGIN_API)

 #define ENABLE_NETSCAPE_PLUGIN_API 1

 #endif

 #if !defined(ENABLE_NETSCAPE_PLUGIN_METADATA_CACHE)

 #define ENABLE_NETSCAPE_PLUGIN_METADATA_CACHE 0

 #endif

 #if !defined(ENABLE_PURGEABLE_MEMORY)

 #define ENABLE_PURGEABLE_MEMORY 0

 #endif

 #if !defined(WTF_USE_PLUGIN_HOST_PROCESS)

 #define WTF_USE_PLUGIN_HOST_PROCESS 0

 #endif

 #if !defined(ENABLE_ORIENTATION_EVENTS)

 #define ENABLE_ORIENTATION_EVENTS 0

 #endif

 #if !defined(ENABLE_OPCODE_STATS)

 #define ENABLE_OPCODE_STATS 0

 #endif

 #if !defined(ENABLE_GLOBAL_FASTMALLOC_NEW)

 #define ENABLE_GLOBAL_FASTMALLOC_NEW 1

 #endif

 #define ENABLE_DEBUG_WITH_BREAKPOINT 0

 #define ENABLE_SAMPLING_COUNTERS 0

 #define ENABLE_SAMPLING_FLAGS 0

 #define ENABLE_OPCODE_SAMPLING 0

 #define ENABLE_CODEBLOCK_SAMPLING 0

 #if ENABLE_CODEBLOCK_SAMPLING && !ENABLE_OPCODE_SAMPLING

 #error "CODEBLOCK_SAMPLING requires OPCODE_SAMPLING"

 #endif

 #if ENABLE_OPCODE_SAMPLING || ENABLE_SAMPLING_FLAGS

 #define ENABLE_SAMPLING_THREAD 1

 #endif

 #if !defined(ENABLE_GEOLOCATION)

 #define ENABLE_GEOLOCATION 0

 #endif

 #if !defined(ENABLE_GESTURE_RECOGNIZER)

 #define ENABLE_GESTURE_RECOGNIZER 0

 #endif

 #if !defined(ENABLE_NOTIFICATIONS)

 #define ENABLE_NOTIFICATIONS 0

 #endif

 #if WTF_PLATFORM_IOS

 #define ENABLE_TEXT_CARET 0

 #endif

 #if !defined(ENABLE_TEXT_CARET)

 #define ENABLE_TEXT_CARET 1

 #endif

 #if !defined(ENABLE_ON_FIRST_TEXTAREA_FOCUS_SELECT_ALL)

 #define ENABLE_ON_FIRST_TEXTAREA_FOCUS_SELECT_ALL 0

 #endif

 #if !defined(ENABLE_FULLSCREEN_API)

 #define ENABLE_FULLSCREEN_API 0

 #endif

 #if !defined(WTF_USE_JSVALUE64) && !defined(WTF_USE_JSVALUE32_64)

 #if (WTF_CPU_X86_64 && (WTF_OS_UNIX || WTF_OS_WINDOWS)) \

     || (WTF_CPU_IA64 && !WTF_CPU_IA64_32) \

     || WTF_CPU_ALPHA \

     || WTF_CPU_SPARC64 \

     || WTF_CPU_S390X \

     || WTF_CPU_PPC64

 #define WTF_USE_JSVALUE64 1

 #else

 #define WTF_USE_JSVALUE32_64 1

 #endif

 #endif /* !defined(WTF_USE_JSVALUE64) && !defined(WTF_USE_JSVALUE32_64) */

 #if !defined(ENABLE_REPAINT_THROTTLING)

 #define ENABLE_REPAINT_THROTTLING 0

 #endif

 /* Disable the JIT on versions of GCC prior to 4.1 */

 #if !defined(ENABLE_JIT) && WTF_COMPILER_GCC && !GCC_VERSION_AT_LEAST(4, 1, 0)

 #define ENABLE_JIT 0

 #endif

 /* The JIT is enabled by default on all x86, x64-64, ARM platforms. */

 #if !defined(ENABLE_JIT) \

     && (WTF_CPU_X86 || WTF_CPU_X86_64 || WTF_CPU_ARM || WTF_CPU_SPARC32 || WTF_CPU_MIPS) \

     && (WTF_OS_DARWIN || !WTF_COMPILER_GCC || GCC_VERSION_AT_LEAST(4, 1, 0)) \

     && !WTF_OS_WINCE

 #define ENABLE_JIT 1

 #endif

 /* Currently only implemented for JSVALUE64, only tested on WTF_PLATFORM_MAC */

 #if ENABLE_JIT && WTF_USE_JSVALUE64 && WTF_PLATFORM_MAC

 #define ENABLE_DFG_JIT 1

 /* Enabled with restrictions to circumvent known performance regressions. */

 #define ENABLE_DFG_JIT_RESTRICTIONS 1

 #endif

 /* Ensure that either the JIT or the interpreter has been enabled. */

 #if !defined(ENABLE_INTERPRETER) && !ENABLE_JIT

 #define ENABLE_INTERPRETER 1

 #endif

 #if !(ENABLE_JIT || ENABLE_INTERPRETER)

 #error You have to have at least one execution model enabled to build JSC

 #endif

 #if WTF_CPU_SH4 && WTF_PLATFORM_QT

 #define ENABLE_JIT 1

 #define ENABLE_YARR 1

 #define ENABLE_YARR_JIT 1

 #define WTF_USE_JIT_STUB_ARGUMENT_REGISTER 1

 #define ENABLE_ASSEMBLER 1

 #endif

 /* Configure the JIT */

 #if ENABLE_JIT

     #if WTF_CPU_ARM

     #if !defined(ENABLE_JIT_USE_SOFT_MODULO) && WTF_CPU_ARM && WTF_ARM_ARCH_VERSION >= 5

     #define ENABLE_JIT_USE_SOFT_MODULO 1

     #endif

     #endif

     #ifndef ENABLE_JIT_OPTIMIZE_CALL

     #define ENABLE_JIT_OPTIMIZE_CALL 1

     #endif

     #ifndef ENABLE_JIT_OPTIMIZE_NATIVE_CALL

     #define ENABLE_JIT_OPTIMIZE_NATIVE_CALL 1

     #endif

     #ifndef ENABLE_JIT_OPTIMIZE_PROPERTY_ACCESS

     #define ENABLE_JIT_OPTIMIZE_PROPERTY_ACCESS 1

     #endif

     #ifndef ENABLE_JIT_OPTIMIZE_METHOD_CALLS

     #define ENABLE_JIT_OPTIMIZE_METHOD_CALLS 1

     #endif

 #endif

 #if WTF_CPU_X86 && WTF_COMPILER_MSVC

 #define JSC_HOST_CALL __fastcall

 #elif WTF_CPU_X86 && WTF_COMPILER_GCC

 #define JSC_HOST_CALL __attribute__ ((fastcall))

 #else

 #define JSC_HOST_CALL

 #endif

 /* Configure the interpreter */

 #if WTF_COMPILER_GCC || (RVCT_VERSION_AT_LEAST(4, 0, 0, 0) && defined(__GNUC__))

 #define HAVE_COMPUTED_GOTO 1

 #endif

 #if HAVE_COMPUTED_GOTO && ENABLE_INTERPRETER

 #define ENABLE_COMPUTED_GOTO_INTERPRETER 1

 #endif

 /* Regular Expression Tracing - Set to 1 to trace RegExp's in jsc.  Results dumped at exit */

 #define ENABLE_REGEXP_TRACING 0

 /* Yet Another Regex Runtime - turned on by default for JIT enabled ports. */

 #if WTF_PLATFORM_CHROMIUM

 #define ENABLE_YARR_JIT 0

 #elif ENABLE_YARR_JIT

 /* Setting this flag compares JIT results with interpreter results. */

 #define ENABLE_YARR_JIT_DEBUG 0

 #endif

 #if ENABLE_JIT || ENABLE_YARR_JIT

 #define ENABLE_ASSEMBLER 1

 #endif

 /* Setting this flag prevents the assembler from using RWX memory; this may improve

    security but currectly comes at a significant performance cost. */

 #if WTF_PLATFORM_IOS

 //XXX: this doesn't currently compile in the spidermonkey build

 #define ENABLE_ASSEMBLER_WX_EXCLUSIVE 0

 #endif

 /* Pick which allocator to use; we only need an executable allocator if the assembler is compiled in.

    On x86-64 we use a single fixed mmap, on other platforms we mmap on demand. */

 #if ENABLE_ASSEMBLER

 #if WTF_CPU_X86_64

 #define ENABLE_EXECUTABLE_ALLOCATOR_FIXED 1

 #else

 #define ENABLE_EXECUTABLE_ALLOCATOR_DEMAND 1

 #endif

 #endif

 #if !defined(ENABLE_PAN_SCROLLING) && WTF_OS_WINDOWS

 #define ENABLE_PAN_SCROLLING 1

 #endif

 #if !defined(ENABLE_SMOOTH_SCROLLING)

 #define ENABLE_SMOOTH_SCROLLING 0

 #endif

 #if !defined(ENABLE_WEB_ARCHIVE)

 #define ENABLE_WEB_ARCHIVE 0

 #endif

 /* Use the QXmlStreamReader implementation for XMLDocumentParser */

 /* Use the QXmlQuery implementation for XSLTProcessor */

 #if WTF_PLATFORM_QT

 #define WTF_USE_QXMLSTREAM 1

 #define WTF_USE_QXMLQUERY 1

 #endif

 #if WTF_PLATFORM_MAC

 /* Complex text framework */

 #if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD)

 #define WTF_USE_ATSUI 0

 #define WTF_USE_CORE_TEXT 1

 #else

 #define WTF_USE_ATSUI 1

 #define WTF_USE_CORE_TEXT 0

 #endif

 #endif

 /* Accelerated compositing */

 #if (WTF_PLATFORM_MAC && !defined(BUILDING_ON_TIGER)) || WTF_PLATFORM_IOS || WTF_PLATFORM_QT || (WTF_PLATFORM_WIN && !WTF_OS_WINCE &&!defined(WIN_CAIRO))

 #define WTF_USE_ACCELERATED_COMPOSITING 1

 #endif

 #if (WTF_PLATFORM_MAC && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD)) || WTF_PLATFORM_IOS

 #define WTF_USE_PROTECTION_SPACE_AUTH_CALLBACK 1

 #endif

 #if WTF_PLATFORM_MAC && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)

 #define WTF_USE_AVFOUNDATION 1

 #endif

 #if WTF_COMPILER_GCC

 #define WARN_UNUSED_RETURN __attribute__ ((warn_unused_result))

 #else

 #define WARN_UNUSED_RETURN

 #endif

 /* COMPILER(CLANG) - Clang  */

 #if defined(__clang__)

 #define WTF_COMPILER_CLANG 1

 #endif

 #if !ENABLE_NETSCAPE_PLUGIN_API || (ENABLE_NETSCAPE_PLUGIN_API && ((WTF_OS_UNIX && (WTF_PLATFORM_QT || WTF_PLATFORM_WX)) || WTF_PLATFORM_GTK))

 #define ENABLE_PLUGIN_PACKAGE_SIMPLE_HASH 1

 #endif

 /* Set up a define for a common error that is intended to cause a build error -- thus the space after Error. */

 #define WTF_PLATFORM_CFNETWORK Error USE_macro_should_be_used_with_CFNETWORK

 #define ENABLE_JSC_ZOMBIES 0

 /* FIXME: Eventually we should enable this for all platforms and get rid of the define. */

 #if WTF_PLATFORM_MAC || WTF_PLATFORM_WIN || WTF_PLATFORM_QT

 #define WTF_USE_PLATFORM_STRATEGIES 1

 #endif

 #if WTF_PLATFORM_WIN

 #define WTF_USE_CROSS_PLATFORM_CONTEXT_MENUS 1

 #endif

 /* Geolocation request policy. pre-emptive policy is to acquire user permission before acquiring location.

    Client based implementations will have option to choose between pre-emptive and nonpre-emptive permission policy.

    pre-emptive permission policy is enabled by default for all client-based implementations. */

 #if ENABLE_CLIENT_BASED_GEOLOCATION

 #define WTF_USE_PREEMPT_GEOLOCATION_PERMISSION 1

 #endif

 #if WTF_CPU_ARM_THUMB2

 #define ENABLE_BRANCH_COMPACTION 1

 #endif

 #if !defined(ENABLE_THREADING_OPENMP) && defined(_OPENMP)

 #define ENABLE_THREADING_OPENMP 1

 #endif

 #if !defined(ENABLE_PARALLEL_JOBS) && !ENABLE_SINGLE_THREADED && (ENABLE_THREADING_GENERIC || ENABLE_THREADING_LIBDISPATCH || ENABLE_THREADING_OPENMP)

 #define ENABLE_PARALLEL_JOBS 1

 #endif

 #if ENABLE_GLIB_SUPPORT

 //#include "GTypedefs.h"

 #endif

 /* FIXME: This define won't be needed once #27551 is fully landed. However,

    since most ports try to support sub-project independence, adding new headers

    to WTF causes many ports to break, and so this way we can address the build

    breakages one port at a time. */

 #define WTF_USE_EXPORT_MACROS 0

 #if WTF_PLATFORM_QT || WTF_PLATFORM_GTK

 #define WTF_USE_UNIX_DOMAIN_SOCKETS 1

 #endif

 #endif /* assembler_wtf_Platform_h */