Fold wtf/Platform.h into config.h

Source/wtf/Platform.h

-/*
- * Copyright (C) 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
- * Copyright (C) 2007-2009 Torch Mobile, Inc.
- * Copyright (C) 2010, 2011 Research In Motion Limited. 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 WTF_Platform_h
-#define WTF_Platform_h
-
-/* Include compiler specific macros */
-#include "wtf/Compiler.h"
-
-/* ==== Platform adaptation macros: these describe properties of the target environment. ==== */
-
-/* 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)
-
-/* ==== OS() - underlying operating system; only to be used for mandated low-level services like
-   virtual memory, not to choose a GUI toolkit ==== */
-
-/* OS(ANDROID) - Android */
-#ifdef ANDROID
-#define WTF_OS_ANDROID 1
-#endif
-
-/* OS(DARWIN) - Any Darwin-based OS, including Mac OS X and iPhone OS */
-#ifdef __APPLE__
-#define WTF_OS_DARWIN 1
-#endif
-
-/* OS(FREEBSD) - FreeBSD */
-#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
-#define WTF_OS_FREEBSD 1
-#endif
-
-/* OS(HURD) - GNU/Hurd */
-#ifdef __GNU__
-#define WTF_OS_HURD 1
-#endif
-
-/* OS(LINUX) - Linux */
-#ifdef __linux__
-#define WTF_OS_LINUX 1
-#endif
-
-/* OS(NETBSD) - NetBSD */
-#if defined(__NetBSD__)
-#define WTF_OS_NETBSD 1
-#endif
-
-/* OS(OPENBSD) - OpenBSD */
-#ifdef __OpenBSD__
-#define WTF_OS_OPENBSD 1
-#endif
-
-/* OS(SOLARIS) - Solaris */
-#if defined(sun) || defined(__sun)
-#define WTF_OS_SOLARIS 1
-#endif
-
-/* OS(WINDOWS) - Any version of Windows */
-#if defined(WIN32) || defined(_WIN32)
-#define WTF_OS_WINDOWS 1
-#endif
-
-/* OS(UNIX) - Any Unix-like system */
-#if OS(ANDROID)          \
-    || OS(DARWIN)           \
-    || OS(FREEBSD)          \
-    || OS(HURD)             \
-    || OS(LINUX)            \
-    || OS(NETBSD)           \
-    || OS(OPENBSD)          \
-    || OS(SOLARIS)          \
-    || defined(unix)        \
-    || defined(__unix)      \
-    || defined(__unix__)
-#define WTF_OS_UNIX 1
-#endif
-
-/* Operating environments */
-
-#if OS(ANDROID)
-#define WTF_USE_LOW_QUALITY_IMAGE_INTERPOLATION 1
-#define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_DITHERING 1
-#define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_FANCY_UPSAMPLING 1
-#else
-#define WTF_USE_ICCJPEG 1
-#define WTF_USE_QCMSLIB 1
-#endif
-
-#if OS(DARWIN)
-#define WTF_USE_CF 1
-
-/* We can't override the global operator new and delete on OS(DARWIN) because
- * some object are allocated by WebKit and deallocated by the embedder. */
-#else /* !OS(DARWIN) */
-/* On non-OS(DARWIN), the "system malloc" is actually TCMalloc anyway, so there's
- * no need to use WebKit's copy of TCMalloc. */
-#define WTF_USE_SYSTEM_MALLOC 1
-#endif /* OS(DARWIN) */
-
-#if !defined(HAVE_ACCESSIBILITY)
-#define HAVE_ACCESSIBILITY 1
-#endif /* !defined(HAVE_ACCESSIBILITY) */
-
-#if OS(UNIX)
-#define HAVE_MMAP 1
-#define HAVE_SIGNAL_H 1
-#define HAVE_SYS_TIME_H 1
-#define WTF_USE_PTHREADS 1
-#endif /* OS(UNIX) */
-
-#if !defined(HAVE_VASPRINTF)
-#if !COMPILER(MSVC)
-#define HAVE_VASPRINTF 1
-#endif
-#endif
-
-#if !OS(WINDOWS) && !OS(SOLARIS) && !OS(ANDROID)
-#define HAVE_TM_GMTOFF 1
-#define HAVE_TM_ZONE 1
-#define HAVE_TIMEGM 1
-#endif
-
-#if OS(DARWIN)
-#define HAVE_DISPATCH_H 1
-#define HAVE_PTHREAD_SETNAME_NP 1
-#endif /* OS(DARWIN) */
-
-#endif /* WTF_Platform_h */