71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
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/*
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* Copyright 2009, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _CONFIG_HAIKU_CONFIG_H
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#define _CONFIG_HAIKU_CONFIG_H
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/* Determine the architecture and define macros for some fundamental
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properties:
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__HAIKU_ARCH - short name of the architecture (used in paths)
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__HAIKU_ARCH_<arch> - defined to 1 for the respective architecture
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__HAIKU_ARCH_64_BIT - defined to 1 on 64 bit architectures
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__HAIKU_BIG_ENDIAN - defined to 1 on big endian architectures
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*/
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#ifdef __INTEL__
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# ifdef __x86_64__
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# define __HAIKU_ARCH x86_64
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# define __HAIKU_ARCH_X86_64 1
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# define __HAIKU_ARCH_64_BIT 1
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# else
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# define __HAIKU_ARCH x86
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# define __HAIKU_ARCH_X86 1
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# endif
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#elif __POWERPC__
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# define __HAIKU_ARCH ppc
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# define __HAIKU_ARCH_PPC 1
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# define __HAIKU_BIG_ENDIAN 1
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#elif __M68K__
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# define __HAIKU_ARCH m68k 1
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# define __HAIKU_ARCH_M68K 1
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# define __HAIKU_BIG_ENDIAN 1
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#elif __MIPSEL__
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# define __HAIKU_ARCH mipsel
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# define __HAIKU_ARCH_MIPSEL 1
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#elif __ARM__
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# define __HAIKU_ARCH arm
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# define __HAIKU_ARCH_ARM 1
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#else
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# error Unsupported architecture!
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#endif
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/* implied properties */
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#ifndef __HAIKU_ARCH_64_BIT
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# define __HAIKU_ARCH_32_BIT 1
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#endif
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#ifndef __HAIKU_BIG_ENDIAN
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# define __HAIKU_LITTLE_ENDIAN 1
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#endif
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/* architecture specific include macros */
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#define __HAIKU_ARCH_HEADER(header) <arch/__HAIKU_ARCH/header>
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#define __HAIKU_SUBDIR_ARCH_HEADER(subdir, header) \
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<subdir/arch/__HAIKU_ARCH/header>
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/* BeOS R5 binary compatibility (gcc 2 on x86) */
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#if defined(__HAIKU_ARCH_X86) && __GNUC__ == 2
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# define __HAIKU_BEOS_COMPATIBLE 1
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#endif
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/* BeOS R5 compatible types */
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#ifdef __HAIKU_ARCH_X86
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/* TODO: This should be "#ifdef __HAIKU_BEOS_COMPATIBLE", but this will
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break all gcc 4 C++ optional packages. I.e. switch that at a suitable
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time.
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*/
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# define __HAIKU_BEOS_COMPATIBLE_TYPES 1
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#endif
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#endif /* _CONFIG_HAIKU_CONFIG_H */
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