forked from KolibriOS/kolibrios
245 lines
5.9 KiB
C
245 lines
5.9 KiB
C
/**************************************************************************
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*
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* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* @file
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* Gallium configuration defines.
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*
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* This header file sets several defines based on the compiler, processor
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* architecture, and operating system being used. These defines should be used
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* throughout the code to facilitate porting to new platforms. It is likely that
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* this file is auto-generated by an autoconf-like tool at some point, as some
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* things cannot be determined by pre-defined environment alone.
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*
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* See also:
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* - http://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html
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* - echo | gcc -dM -E - | sort
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* - http://msdn.microsoft.com/en-us/library/b0084kay.aspx
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*
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* @author José Fonseca <jrfonseca@tungstengraphics.com>
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*/
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#ifndef P_CONFIG_H_
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#define P_CONFIG_H_
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#include <limits.h>
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/*
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* Compiler
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*/
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#if defined(__GNUC__)
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#define PIPE_CC_GCC
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#define PIPE_CC_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
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#endif
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/*
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* Meaning of _MSC_VER value:
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* - 1400: Visual C++ 2005
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* - 1310: Visual C++ .NET 2003
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* - 1300: Visual C++ .NET 2002
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*
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* __MSC__ seems to be an old macro -- it is not pre-defined on recent MSVC
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* versions.
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*/
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#if defined(_MSC_VER) || defined(__MSC__)
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#define PIPE_CC_MSVC
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#endif
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#if defined(__ICL)
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#define PIPE_CC_ICL
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#endif
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#if defined(__SUNPRO_C) || defined(__SUNPRO_CC)
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#define PIPE_CC_SUNPRO
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#endif
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/*
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* Processor architecture
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*/
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#if defined(__i386__) /* gcc */ || defined(_M_IX86) /* msvc */ || defined(_X86_) || defined(__386__) || defined(i386) || defined(__i386) /* Sun cc */
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#define PIPE_ARCH_X86
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#endif
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#if defined(__x86_64__) /* gcc */ || defined(_M_X64) /* msvc */ || defined(_M_AMD64) /* msvc */ || defined(__x86_64) /* Sun cc */
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#define PIPE_ARCH_X86_64
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#endif
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#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
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#if defined(PIPE_CC_GCC) && !defined(__SSE2__)
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/* #warning SSE2 support requires -msse -msse2 compiler options */
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#else
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#define PIPE_ARCH_SSE
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#endif
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#if defined(PIPE_CC_GCC) && !defined(__SSSE3__)
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/* #warning SSE3 support requires -msse3 compiler options */
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#else
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#define PIPE_ARCH_SSSE3
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#endif
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#endif
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#if defined(__ppc__) || defined(__ppc64__) || defined(__PPC__)
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#define PIPE_ARCH_PPC
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#if defined(__ppc64__) || defined(__PPC64__)
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#define PIPE_ARCH_PPC_64
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#endif
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#endif
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#if defined(__s390x__)
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#define PIPE_ARCH_S390
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#endif
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/*
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* Endian detection.
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*/
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#ifdef __GLIBC__
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#include <endian.h>
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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# define PIPE_ARCH_LITTLE_ENDIAN
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#elif __BYTE_ORDER == __BIG_ENDIAN
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# define PIPE_ARCH_BIG_ENDIAN
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#endif
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#elif defined(__APPLE__)
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#include <machine/endian.h>
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#if __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN
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# define PIPE_ARCH_LITTLE_ENDIAN
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#elif __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN
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# define PIPE_ARCH_BIG_ENDIAN
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#endif
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#elif defined(__sun)
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#include <sys/isa_defs.h>
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#if defined(_LITTLE_ENDIAN)
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# define PIPE_ARCH_LITTLE_ENDIAN
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#elif defined(_BIG_ENDIAN)
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# define PIPE_ARCH_BIG_ENDIAN
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#endif
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#else
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#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
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#define PIPE_ARCH_LITTLE_ENDIAN
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#elif defined(PIPE_ARCH_PPC) || defined(PIPE_ARCH_PPC_64) || defined(PIPE_ARCH_S390)
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#define PIPE_ARCH_BIG_ENDIAN
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#endif
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#endif
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#if !defined(PIPE_ARCH_LITTLE_ENDIAN) && !defined(PIPE_ARCH_BIG_ENDIAN)
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#error Unknown Endianness
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#endif
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/*
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* Auto-detect the operating system family.
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*
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* See subsystem below for a more fine-grained distinction.
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*/
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#if defined(__linux__)
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#define PIPE_OS_LINUX
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#define PIPE_OS_UNIX
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#endif
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/*
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* Android defines __linux__ so PIPE_OS_LINUX and PIPE_OS_UNIX will also be
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* defined.
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*/
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#if defined(ANDROID)
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#define PIPE_OS_ANDROID
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#endif
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#if defined(__FreeBSD__)
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#define PIPE_OS_FREEBSD
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#define PIPE_OS_BSD
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#define PIPE_OS_UNIX
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#endif
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#if defined(__OpenBSD__)
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#define PIPE_OS_OPENBSD
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#define PIPE_OS_BSD
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#define PIPE_OS_UNIX
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#endif
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#if defined(__NetBSD__)
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#define PIPE_OS_NETBSD
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#define PIPE_OS_BSD
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#define PIPE_OS_UNIX
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#endif
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#if defined(__GNU__)
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#define PIPE_OS_HURD
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#define PIPE_OS_UNIX
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#endif
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#if defined(__sun)
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#define PIPE_OS_SOLARIS
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#define PIPE_OS_UNIX
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#endif
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#if defined(__APPLE__)
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#define PIPE_OS_APPLE
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#define PIPE_OS_UNIX
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#endif
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#if defined(__HAIKU__)
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#define PIPE_OS_HAIKU
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#define PIPE_OS_UNIX
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#endif
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#if defined(__CYGWIN__)
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#define PIPE_OS_CYGWIN
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#define PIPE_OS_UNIX
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#endif
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/*
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* Try to auto-detect the subsystem.
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*
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* NOTE: There is no way to auto-detect most of these.
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*/
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#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS)
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#define PIPE_SUBSYSTEM_DRI
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#endif /* PIPE_OS_LINUX || PIPE_OS_BSD || PIPE_OS_SOLARIS */
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#if defined(PIPE_OS_WINDOWS)
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#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
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/* Windows User-space Library */
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#else
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#define PIPE_SUBSYSTEM_WINDOWS_USER
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#endif
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#endif /* PIPE_OS_WINDOWS */
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#endif /* P_CONFIG_H_ */
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