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https://github.com/netwide-assembler/nasm
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e2f38a8aed
Cross-referenced configure.ac's AC_CHECK_HEADERS/AC_CHECK_FUNCS/PA_* tests (as materialized into config/config.h.in) against config/msvc.h and added definitions for macros MSVC actually supports: - HAVE_STDARG_H, HAVE_STDIO_H, HAVE_WCHAR_H: always present. - HAVE_STDINT_H: available starting with Visual Studio 2010 (_MSC_VER >= 1600). - HAVE_INTRIN_H plus an #include <intrin.h>, gated on Visual Studio 2005 (_MSC_VER >= 1400) when the header was introduced. - HAVE_ISCNTRL: always present. - HAVE_ISASCII plus '#define isascii __isascii', since MSVC only provides the underscore-prefixed spelling. - HAVE__BYTESWAP_USHORT/_ULONG/_UINT64: always present, declared in <stdlib.h>, matching the names PA_FIND_FUNC probes for in autoconf/m4/pa_endian.m4. - HAVE__BITSCANREVERSE (>=1400) and HAVE__BITSCANREVERSE64 (>=1400 and only on _M_X64/_M_ARM64, since the 64-bit intrinsic does not exist on 32-bit x86). - HAVE_UNSIGNED_LONG_LONG_INT: always present. - HAVE_UINTMAX_T, gated on '#ifdef HAVE_STDINT_H' rather than a separate version check, with a textual 'unsigned long long' fallback for uintmax_t otherwise; gating strictly on HAVE_STDINT_H avoids the fallback macro clobbering <stdint.h>'s own uintmax_t typedef when both would otherwise be available. Deliberately left out anything that is POSIX/GNU/BSD-only or does not exist verbatim on MSVC (strcasecmp/strsep/strlcpy/mempcpy, getuid/ getrlimit/realpath, GCC __builtin_*/attribute probes, byteswap.h/ endian.h family, C23 stdbit.h, etc.), since compiler.h and the relevant call sites already handle those cases separately for MSVC. Verified with x86_64-w64-mingw32-gcc -fsyntax-only using manually defined _MSC_VER/_M_X64/_M_ARM64 across Visual Studio versions 1310/1400/1600/1800/1929 (mingw-w64 declares the same intrinsics in the expected headers), then confirmed end-to-end with a real MSVC (cl.exe/nmake) build in CI. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
229 lines
6.1 KiB
C
229 lines
6.1 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/* Copyright 2016 The NASM Authors - All Rights Reserved */
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/*
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* config/msvc.h
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*
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* Compiler definitions for Microsoft Visual C++;
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* instead of unconfig.h. See config.h.in for the
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* variables which can be defined here.
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*
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* MSDN seems to have information back to Visual Studio 2003, so aim
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* for compatibility that far back.
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*
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* Relevant _MSC_VER values:
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* 1310 - Visual Studio 2003
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* 1400 - Visual Studio 2005
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* 1500 - Visual Studio 2008
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* 1600 - Visual Studio 2010
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* 1700 - Visual Studio 2012
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* 1800 - Visual Studio 2013
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* 1900 - Visual Studio 2015
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* 1910 - Visual Studio 2017
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*/
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#ifndef NASM_CONFIG_MSVC_H
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#define NASM_CONFIG_MSVC_H
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/* Needed for the _BitScanReverse()/_BitScanReverse64() intrinsics below;
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not available prior to Visual Studio 2005. */
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#if _MSC_VER >= 1400
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# include <intrin.h>
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#endif
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/* Define to 1 if you have the <fcntl.h> header file. */
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#define HAVE_FCNTL_H 1
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/* Define to 1 if you have the <inttypes.h> header file. */
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#if _MSC_VER >= 1800
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# define HAVE_INTTYPES_H 1
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#endif
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/* Define to 1 if you have the <intrin.h> header file. */
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#if _MSC_VER >= 1400
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# define HAVE_INTRIN_H 1
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#endif
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/* Define to 1 if you have the <io.h> header file. */
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#define HAVE_IO_H 1
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/* Define to 1 if you have the <stdarg.h> header file. */
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#define HAVE_STDARG_H 1
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/* Define to 1 if you have the <stdint.h> header file. */
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#if _MSC_VER >= 1600
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# define HAVE_STDINT_H 1
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#endif
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/* Define to 1 if you have the <stdio.h> header file. */
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#define HAVE_STDIO_H 1
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/* Define to 1 if you have the <stdlib.h> header file. */
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#define HAVE_STDLIB_H 1
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/* Define to 1 if you have the <string.h> header file. */
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#define HAVE_STRING_H 1
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/* Define to 1 if you have the <sys/stat.h> header file. */
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#define HAVE_SYS_STAT_H 1
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/* Define to 1 if you have the <sys/types.h> header file. */
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#define HAVE_SYS_TYPES_H 1
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/* Define to 1 if you have the <wchar.h> header file. */
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#define HAVE_WCHAR_H 1
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/* Define to 1 if you have the `access' function. */
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#define HAVE_ACCESS 1
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#if _MSC_VER < 1400
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# define access _access
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#endif
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/* Define to 1 if you have the `fileno' function. */
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#define HAVE_FILENO 1
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#if _MSC_VER < 1400
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# define fileno _fileno
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#endif
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/* Define to 1 if you have the `isascii' function. */
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#define HAVE_ISASCII 1
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#define isascii __isascii
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/* Define to 1 if you have the `iscntrl' function. */
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#define HAVE_ISCNTRL 1
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/* Define to 1 if you have the `snprintf' function. */
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#define HAVE_SNPRINTF 1
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#if _MSC_VER < 1900
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# define snprintf _snprintf
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#endif
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/* Define to 1 if you have the `_chsize' function. */
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#define HAVE__CHSIZE 1
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/* Define to 1 if you have the `_chsize_s' function. */
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#if _MSC_VER >= 1400
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# define HAVE__CHSIZE_S 1
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#endif
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/* Define to 1 if you have the `_filelengthi64' function. */
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#define HAVE__FILELENGTHI64 1
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/* Define to 1 if you have the `_byteswap_ushort' intrinsic function. */
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#define HAVE__BYTESWAP_USHORT 1
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/* Define to 1 if you have the `_byteswap_ulong' intrinsic function. */
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#define HAVE__BYTESWAP_ULONG 1
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/* Define to 1 if you have the `_byteswap_uint64' intrinsic function. */
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#define HAVE__BYTESWAP_UINT64 1
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/* Define to 1 if you have the `_BitScanReverse' intrinsic function. */
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#if _MSC_VER >= 1400
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# define HAVE__BITSCANREVERSE 1
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#endif
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/* Define to 1 if you have the `_BitScanReverse64' intrinsic function. */
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#if (defined(_M_X64) || defined(_M_ARM64)) && _MSC_VER >= 1400
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# define HAVE__BITSCANREVERSE64 1
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#endif
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/* Define to 1 if you have the `_fseeki64' function. */
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#define HAVE__FSEEKI64 1
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/* Define to 1 if you have the `_fullpath' function. */
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#define HAVE__FULLPATH 1
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/* Define to 1 if the system has the type `struct _stati64'. */
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#define HAVE_STRUCT__STATI64
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/* Define to 1 if you have the `_stati64' function. */
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#define HAVE__STATI64 1
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/* Define to 1 if you have the `_fstati64' function. */
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#define HAVE__FSTATI64 1
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/* Define to 1 if stdbool.h conforms to C99. */
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#if _MSC_VER >= 1800
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# define HAVE_STDBOOL_H 1
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#endif
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/* Define to 1 if you have the `stricmp' function. */
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#define HAVE_STRICMP 1
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/* Define to 1 if you have the declaration of `stricmp', and to 0 if you
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don't. */
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#define HAVE_DECL_STRICMP 1
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#if _MSC_VER < 1400
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# define stricmp _stricmp
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#endif
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/* Define to 1 if you have the `strnicmp' function. */
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#define HAVE_STRNICMP 1
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/* Define to 1 if you have the declaration of `strnicmp', and to 0 if you
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don't. */
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#define HAVE_DECL_STRNICMP 1
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#if _MSC_VER < 1400
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# define strnicmp _strnicmp
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#endif
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#if _MSC_VER >= 1400
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/* Define to 1 if you have the `strnlen' function. */
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# define HAVE_STRNLEN 1
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/* Define to 1 if you have the declaration of `strnlen', and to 0 if you
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don't. */
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# define HAVE_DECL_STRNLEN 1
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#endif
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/* Define to 1 if the system has the type `uintptr_t'. */
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#if _MSC_VER >= 1900
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# define HAVE_UINTPTR_T 1
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#else
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/* Define to the type of an unsigned integer type wide enough to hold a
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pointer, if such a type exists, and if the system does not define it. */
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# define uintptr_t size_t
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#endif
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/* Define to 1 if the system has the type `uintmax_t'. */
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#ifdef HAVE_STDINT_H
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# define HAVE_UINTMAX_T 1
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#else
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/* Define to the widest unsigned integer type if <stdint.h> and <inttypes.h>
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do not define. */
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# define uintmax_t unsigned long long
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#endif
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/* Define to 1 if the system has the type `unsigned long long int'. */
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#define HAVE_UNSIGNED_LONG_LONG_INT 1
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/* Define to 1 if you have the `vsnprintf' function. */
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#define HAVE_VSNPRINTF 1
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#if _MSC_VER < 1400
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# define vsnprint _vsnprintf
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#endif
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/* Define to 1 if the system has the type `_Bool'. */
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#if _MSC_VER >= 1900
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# define HAVE__BOOL 1
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#endif
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/* Define to 1 if you have the ANSI C header files. */
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#define STDC_HEADERS 1
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/* Define to 1 if your processor stores words with the least significant byte
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first (like Intel and VAX, unlike Motorola and SPARC). */
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#define WORDS_LITTLEENDIAN 1
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/* Define to `__inline__' or `__inline' if that's what the C compiler
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calls it, or to nothing if 'inline' is not supported under any name. */
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#define inline __inline
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/* Define to the equivalent of the C99 'restrict' keyword, or to
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nothing if this is not supported. Do not define if restrict is
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supported directly. */
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#if _MSC_VER >= 1700
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#define restrict __restrict
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#else
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#define restrict
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#endif
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#endif /* NASM_CONFIG_MSVC_H */
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