/* * Copyright (C) 2004, 2005, 2006, 2013 Apple Inc. * Copyright (C) 2009 Google Inc. All rights reserved. * Copyright (C) 2007-2009 Torch Mobile, Inc. * Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. * */ /* Include compiler specific macros */ #include "wtf/Compiler.h" #if COMPILER(MSVC) #define _USE_MATH_DEFINES // Make math.h behave like other platforms. #endif /* ==== 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 /* OS(MACOSX) - Any Darwin-based OS, including Mac OS X and iPhone OS */ #elif defined(__APPLE__) #define WTF_OS_MACOSX 1 /* OS(FREEBSD) - FreeBSD */ #elif defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) #define WTF_OS_FREEBSD 1 /* OS(LINUX) - Linux */ #elif defined(__linux__) #define WTF_OS_LINUX 1 /* OS(OPENBSD) - OpenBSD */ #elif defined(__OpenBSD__) #define WTF_OS_OPENBSD 1 /* OS(WIN) - Any version of Windows */ #elif defined(WIN32) || defined(_WIN32) #define WTF_OS_WIN 1 #endif /* OS(POSIX) - Any Unix-like system */ #if OS(ANDROID) \ || OS(MACOSX) \ || OS(FREEBSD) \ || OS(LINUX) \ || OS(OPENBSD) \ || defined(unix) \ || defined(__unix) \ || defined(__unix__) #define WTF_OS_POSIX 1 #endif /* There is an assumption in the project that either OS(WIN) or OS(POSIX) is set. */ #if !OS(WIN) && !OS(POSIX) #error Either OS(WIN) or OS(POSIX) needs to be set. #endif /* Operating environments */ #if OS(ANDROID) #define WTF_USE_NATIVE_FULLSCREEN_VIDEO 1 #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(MACOSX) #define WTF_USE_CF 1 #define WTF_USE_RUBBER_BANDING 1 #endif /* OS(MACOSX) */ // On Mac, the system allocator is the real OS X system allocator. // On Android, the system allocator is the libc system allocator. // On other platforms, we've overriden the system allocator with tcmalloc. // PartitionAlloc seems to be faster than all of these, so on all platforms // we use it for a subset of performance sensitive Blink classes (tagged by // WTF_MAKE_FAST_ALLOCATED. #define WTF_USE_SYSTEM_MALLOC 0 #if OS(POSIX) #define HAVE_SIGNAL_H 1 #define HAVE_SYS_TIME_H 1 #define WTF_USE_PTHREADS 1 #endif /* OS(POSIX) */ #if !OS(WIN) && !OS(ANDROID) #define HAVE_TM_GMTOFF 1 #define HAVE_TM_ZONE 1 #define HAVE_TIMEGM 1 #endif #if OS(MACOSX) #define HAVE_PTHREAD_SETNAME_NP 1 #define WTF_USE_NEW_THEME 1 #endif /* OS(MACOSX) */ #if OS(WIN) // If we don't define these, they get defined in windef.h. // We want to use std::min and std::max. #ifndef max #define max max #endif #ifndef min #define min min #endif #endif /* OS(WIN) */ #ifdef __cplusplus // These undefs match up with defines in WebCorePrefixMac.h for Mac OS X. // Helps us catch if anyone uses new or delete by accident in code and doesn't include "config.h". #undef new #undef delete #include "wtf/FastMalloc.h" #include <ciso646> #endif #if COMPILER(MSVC) #define SKIP_STATIC_CONSTRUCTORS_ON_MSVC 1 #else #define SKIP_STATIC_CONSTRUCTORS_ON_GCC 1 #endif #if OS(LINUX) || OS(ANDROID) || OS(WIN) #define WTF_USE_HARFBUZZ 1 #endif