1/* 2 * Copyright (C) 2004, 2005, 2006, 2013 Apple Inc. 3 * Copyright (C) 2009 Google Inc. All rights reserved. 4 * Copyright (C) 2007-2009 Torch Mobile, Inc. 5 * Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 * 22 */ 23 24/* Include compiler specific macros */ 25#include "wtf/Compiler.h" 26 27#if COMPILER(MSVC) 28#define _USE_MATH_DEFINES // Make math.h behave like other platforms. 29#endif 30 31/* ==== Platform adaptation macros: these describe properties of the target environment. ==== */ 32 33/* HAVE() - specific system features (headers, functions or similar) that are present or not */ 34#define HAVE(WTF_FEATURE) (defined HAVE_##WTF_FEATURE && HAVE_##WTF_FEATURE) 35/* OS() - underlying operating system; only to be used for mandated low-level services like 36 virtual memory, not to choose a GUI toolkit */ 37#define OS(WTF_FEATURE) (defined WTF_OS_##WTF_FEATURE && WTF_OS_##WTF_FEATURE) 38 39/* ==== Policy decision macros: these define policy choices for a particular port. ==== */ 40 41/* USE() - use a particular third-party library or optional OS service */ 42#define USE(WTF_FEATURE) (defined WTF_USE_##WTF_FEATURE && WTF_USE_##WTF_FEATURE) 43/* ENABLE() - turn on a specific feature of WebKit */ 44#define ENABLE(WTF_FEATURE) (defined ENABLE_##WTF_FEATURE && ENABLE_##WTF_FEATURE) 45 46/* ==== OS() - underlying operating system; only to be used for mandated low-level services like 47 virtual memory, not to choose a GUI toolkit ==== */ 48 49/* OS(ANDROID) - Android */ 50#ifdef ANDROID 51#define WTF_OS_ANDROID 1 52/* OS(MACOSX) - Any Darwin-based OS, including Mac OS X and iPhone OS */ 53#elif defined(__APPLE__) 54#define WTF_OS_MACOSX 1 55/* OS(FREEBSD) - FreeBSD */ 56#elif defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) 57#define WTF_OS_FREEBSD 1 58/* OS(LINUX) - Linux */ 59#elif defined(__linux__) 60#define WTF_OS_LINUX 1 61/* OS(OPENBSD) - OpenBSD */ 62#elif defined(__OpenBSD__) 63#define WTF_OS_OPENBSD 1 64/* OS(WIN) - Any version of Windows */ 65#elif defined(WIN32) || defined(_WIN32) 66#define WTF_OS_WIN 1 67#endif 68 69/* OS(POSIX) - Any Unix-like system */ 70#if OS(ANDROID) \ 71 || OS(MACOSX) \ 72 || OS(FREEBSD) \ 73 || OS(LINUX) \ 74 || OS(OPENBSD) \ 75 || defined(unix) \ 76 || defined(__unix) \ 77 || defined(__unix__) 78#define WTF_OS_POSIX 1 79#endif 80 81/* There is an assumption in the project that either OS(WIN) or OS(POSIX) is set. */ 82#if !OS(WIN) && !OS(POSIX) 83#error Either OS(WIN) or OS(POSIX) needs to be set. 84#endif 85 86/* Operating environments */ 87 88#if OS(ANDROID) 89#define WTF_USE_LOW_QUALITY_IMAGE_INTERPOLATION 1 90#define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_DITHERING 1 91#define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_FANCY_UPSAMPLING 1 92#else 93#define WTF_USE_ICCJPEG 1 94#define WTF_USE_QCMSLIB 1 95#endif 96 97#if OS(MACOSX) 98#define WTF_USE_CF 1 99#define WTF_USE_RUBBER_BANDING 1 100#endif /* OS(MACOSX) */ 101 102#if OS(POSIX) 103#define HAVE_SIGNAL_H 1 104#define HAVE_SYS_TIME_H 1 105#define WTF_USE_PTHREADS 1 106#endif /* OS(POSIX) */ 107 108#if !OS(WIN) && !OS(ANDROID) 109#define HAVE_TM_GMTOFF 1 110#define HAVE_TM_ZONE 1 111#define HAVE_TIMEGM 1 112#endif 113 114#if OS(MACOSX) 115#define WTF_USE_NEW_THEME 1 116#endif /* OS(MACOSX) */ 117 118#if OS(WIN) 119 120// If we don't define these, they get defined in windef.h. 121// We want to use std::min and std::max. 122#ifndef max 123#define max max 124#endif 125#ifndef min 126#define min min 127#endif 128 129#endif /* OS(WIN) */ 130 131#ifdef __cplusplus 132 133// These undefs match up with defines in build/mac/Prefix.h for Mac OS X. 134// Helps us catch if anyone uses new or delete by accident in code and doesn't include "config.h". 135#undef new 136#undef delete 137#include <ciso646> 138#include <cstddef> 139 140#endif 141