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https://github.com/netwide-assembler/nasm.git
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fe501957c0
Concentrate compiler dependencies to compiler.h; make sure compiler.h is included first in every .c file (since some prototypes may depend on the presence of feature request macros.) Actually use the conditional inclusion of various functions (totally broken in previous releases.)
72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 2007 The NASM Authors - All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the license given in the file "License"
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* distributed in the NASM archive.
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*
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* ----------------------------------------------------------------------- */
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/*
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* compiler.h
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*
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* Compiler-specific macros for NASM. Feel free to add support for
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* other compilers in here.
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*
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* This header file should be included before any other header.
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*/
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#ifndef NASM_COMPILER_H
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#define NASM_COMPILER_H 1
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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/* Request as many features as we can */
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#define _GNU_SOURCE
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#define _ISO99_SOURCE
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#define _POSIX_SOURCE
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#define _POSIX_C_SOURCE 200112L
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#define _XOPEN_SOURCE 600
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#define _XOPEN_SOURCE_EXTENDED
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#ifdef __GNUC__
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# if __GNUC__ >= 4
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# define HAVE_GNUC_4
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# endif
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# if __GNUC__ >= 3
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# define HAVE_GNUC_3
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# endif
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#endif
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#ifdef __GNUC__
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# define _unused __attribute__((unused))
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#else
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# define _unused
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#endif
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/* Some versions of MSVC have these only with underscores in front */
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#include <stddef.h>
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#include <stdarg.h>
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#include <stdio.h>
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#ifndef HAVE_SNPRINTF
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# ifdef HAVE__SNPRINTF
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# define snprintf _snprintf
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# else
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int snprintf(char *, size_t, const char *, ...);
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# endif
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#endif
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#ifndef HAVE_VSNPRINTF
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# ifdef HAVE__VSNPRINT
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# define vsnprintf _vsnprintf
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# else
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int vsnprintf(char *, size_t, const char *, va_list);
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# endif
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#endif
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#endif /* NASM_COMPILER_H */
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