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_NATIVE_FULLSCREEN_VIDEO 1 90 #define WTF_USE_LOW_QUALITY_IMAGE_INTERPOLATION 1 91 #define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_DITHERING 1 92 #define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_FANCY_UPSAMPLING 1 93 #else 94 #define WTF_USE_ICCJPEG 1 95 #define WTF_USE_QCMSLIB 1 96 #endif 97 98 #if OS(MACOSX) 99 #define WTF_USE_CF 1 100 #define WTF_USE_RUBBER_BANDING 1 101 102 /* We can't override the global operator new and delete on OS(MACOSX) because 103 * some object are allocated by WebKit and deallocated by the embedder. */ 104 #else /* !OS(MACOSX) */ 105 /* On non-OS(MACOSX), the "system malloc" is actually TCMalloc anyway, so there's 106 * no need to use WebKit's copy of TCMalloc. */ 107 #define WTF_USE_SYSTEM_MALLOC 1 108 #endif /* OS(MACOSX) */ 109 110 #if OS(POSIX) 111 #define HAVE_MMAP 1 112 #define HAVE_SIGNAL_H 1 113 #define HAVE_SYS_TIME_H 1 114 #define WTF_USE_PTHREADS 1 115 #endif /* OS(POSIX) */ 116 117 #if !defined(HAVE_VASPRINTF) 118 #if !COMPILER(MSVC) 119 #define HAVE_VASPRINTF 1 120 #endif 121 #endif 122 123 #if !OS(WIN) && !OS(ANDROID) 124 #define HAVE_TM_GMTOFF 1 125 #define HAVE_TM_ZONE 1 126 #define HAVE_TIMEGM 1 127 #endif 128 129 #if OS(MACOSX) 130 #define HAVE_DISPATCH_H 1 131 #define HAVE_PTHREAD_SETNAME_NP 1 132 #define WTF_USE_NEW_THEME 1 133 #endif /* OS(MACOSX) */ 134 135 #if OS(WIN) 136 137 // If we don't define these, they get defined in windef.h. 138 // We want to use std::min and std::max. 139 #ifndef max 140 #define max max 141 #endif 142 #ifndef min 143 #define min min 144 #endif 145 146 #endif /* OS(WIN) */ 147 148 #ifdef __cplusplus 149 150 // These undefs match up with defines in WebCorePrefixMac.h for Mac OS X. 151 // Helps us catch if anyone uses new or delete by accident in code and doesn't include "config.h". 152 #undef new 153 #undef delete 154 #include "wtf/FastMalloc.h" 155 156 #include <ciso646> 157 158 #endif 159 160 #if COMPILER(MSVC) 161 #define SKIP_STATIC_CONSTRUCTORS_ON_MSVC 1 162 #else 163 #define SKIP_STATIC_CONSTRUCTORS_ON_GCC 1 164 #endif 165 166 #ifndef __STDC_FORMAT_MACROS 167 #define __STDC_FORMAT_MACROS 1 168 #endif 169 170 #if OS(LINUX) || OS(ANDROID) || ENABLE(HARFBUZZ_ON_WINDOWS) 171 #define WTF_USE_HARFBUZZ 1 172 #endif 173