mirror of
https://github.com/flutter/flutter.git
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140 lines
4.3 KiB
C++
140 lines
4.3 KiB
C++
/*
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* Copyright (C) 2004, 2005, 2006, 2013 Apple Inc.
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* Copyright (C) 2009 Google Inc. All rights reserved.
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* Copyright (C) 2007-2009 Torch Mobile, Inc.
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* Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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/* Include compiler specific macros */
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#include "wtf/Compiler.h"
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#if COMPILER(MSVC)
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#define _USE_MATH_DEFINES // Make math.h behave like other platforms.
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#endif
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/* ==== Platform adaptation macros: these describe properties of the target environment. ==== */
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/* HAVE() - specific system features (headers, functions or similar) that are present or not */
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#define HAVE(WTF_FEATURE) (defined HAVE_##WTF_FEATURE && HAVE_##WTF_FEATURE)
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/* OS() - underlying operating system; only to be used for mandated low-level services like
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virtual memory, not to choose a GUI toolkit */
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#define OS(WTF_FEATURE) (defined WTF_OS_##WTF_FEATURE && WTF_OS_##WTF_FEATURE)
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/* ==== Policy decision macros: these define policy choices for a particular port. ==== */
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/* USE() - use a particular third-party library or optional OS service */
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#define USE(WTF_FEATURE) (defined WTF_USE_##WTF_FEATURE && WTF_USE_##WTF_FEATURE)
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/* ENABLE() - turn on a specific feature of WebKit */
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#define ENABLE(WTF_FEATURE) (defined ENABLE_##WTF_FEATURE && ENABLE_##WTF_FEATURE)
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/* ==== OS() - underlying operating system; only to be used for mandated low-level services like
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virtual memory, not to choose a GUI toolkit ==== */
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/* OS(ANDROID) - Android */
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#ifdef ANDROID
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#define WTF_OS_ANDROID 1
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/* OS(MACOSX) - Any Darwin-based OS, including Mac OS X and iPhone OS */
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#elif defined(__APPLE__)
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#define WTF_OS_MACOSX 1
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/* OS(FREEBSD) - FreeBSD */
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#elif defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
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#define WTF_OS_FREEBSD 1
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/* OS(LINUX) - Linux */
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#elif defined(__linux__)
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#define WTF_OS_LINUX 1
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/* OS(OPENBSD) - OpenBSD */
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#elif defined(__OpenBSD__)
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#define WTF_OS_OPENBSD 1
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/* OS(WIN) - Any version of Windows */
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#elif defined(WIN32) || defined(_WIN32)
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#define WTF_OS_WIN 1
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#endif
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/* OS(POSIX) - Any Unix-like system */
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#if OS(ANDROID) \
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|| OS(MACOSX) \
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|| OS(FREEBSD) \
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|| OS(LINUX) \
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|| OS(OPENBSD) \
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|| defined(unix) \
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|| defined(__unix) \
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|| defined(__unix__)
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#define WTF_OS_POSIX 1
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#endif
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/* There is an assumption in the project that either OS(WIN) or OS(POSIX) is set. */
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#if !OS(WIN) && !OS(POSIX)
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#error Either OS(WIN) or OS(POSIX) needs to be set.
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#endif
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/* Operating environments */
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#if OS(ANDROID)
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#define WTF_USE_LOW_QUALITY_IMAGE_INTERPOLATION 1
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#define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_DITHERING 1
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#define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_FANCY_UPSAMPLING 1
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#else
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#define WTF_USE_ICCJPEG 1
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#define WTF_USE_QCMSLIB 1
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#endif
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#if OS(MACOSX)
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#define WTF_USE_CF 1
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#endif /* OS(MACOSX) */
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#if OS(POSIX)
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#define HAVE_SIGNAL_H 1
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#define HAVE_SYS_TIME_H 1
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#define WTF_USE_PTHREADS 1
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#endif /* OS(POSIX) */
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#if !OS(WIN) && !OS(ANDROID)
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#define HAVE_TM_GMTOFF 1
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#define HAVE_TM_ZONE 1
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#define HAVE_TIMEGM 1
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#endif
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#if OS(MACOSX)
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#define WTF_USE_NEW_THEME 1
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#endif /* OS(MACOSX) */
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#if OS(WIN)
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// If we don't define these, they get defined in windef.h.
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// We want to use std::min and std::max.
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#ifndef max
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#define max max
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#endif
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#ifndef min
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#define min min
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#endif
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#endif /* OS(WIN) */
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#ifdef __cplusplus
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// These undefs match up with defines in build/mac/Prefix.h for Mac OS X.
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// Helps us catch if anyone uses new or delete by accident in code and doesn't include "config.h".
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#undef new
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#undef delete
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#include <ciso646>
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#include <cstddef>
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#endif
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