compiler.h

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 2007 The NASM Authors - All Rights Reserved
   4  *
   5  *   This program is free software; you can redistribute it and/or modify
   6  *   it under the terms of the license given in the file "License"
   7  *   distributed in the NASM archive.
   8  *
   9  * ----------------------------------------------------------------------- */
  10
  11 /*
  12  * compiler.h
  13  *
  14  * Compiler-specific macros for NASM.  Feel free to add support for
  15  * other compilers in here.
  16  *
  17  * This header file should be included before any other header.
  18  */
  19
  20 #ifndef NASM_COMPILER_H
  21 #define NASM_COMPILER_H 1
  22
  23 #ifdef HAVE_CONFIG_H
  24 # include "config.h"
  25 #endif
  26
  27 /* __STRICT_ANSI__ buggers up MinGW, so disable it */
  28 #ifdef __MINGW32__
  29 # undef __STRICT_ANSI__
  30 #endif
  31
  32 /* This is required to get the standard <inttypes.h> macros when compiling
  33    with a C++ compiler.  This must be defined *before* <inttypes.h> is
  34    included, directly or indirectly. */
  35 #define __STDC_CONSTANT_MACROS  1
  36 #define __STDC_LIMIT_MACROS     1
  37 #define __STDC_FORMAT_MACROS    1
  38
  39 #ifdef __GNUC__
  40 # if __GNUC__ >= 4
  41 #  define HAVE_GNUC_4
  42 # endif
  43 # if __GNUC__ >= 3
  44 #  define HAVE_GNUC_3
  45 # endif
  46 #endif
  47
  48 #ifdef __GNUC__
  49 # define _unused        __attribute__((unused))
  50 #else
  51 # define _unused
  52 #endif
  53
  54 /* Some versions of MSVC have these only with underscores in front */
  55 #include <stddef.h>
  56 #include <stdarg.h>
  57 #include <stdio.h>
  58
  59 #ifndef HAVE_SNPRINTF
  60 # ifdef HAVE__SNPRINTF
  61 #  define snprintf _snprintf
  62 # else
  63 int snprintf(char *, size_t, const char *, ...);
  64 # endif
  65 #endif
  66
  67 #ifndef HAVE_VSNPRINTF
  68 # ifdef HAVE__VSNPRINT
  69 #  define vsnprintf _vsnprintf
  70 # else
  71 int vsnprintf(char *, size_t, const char *, va_list);
  72 # endif
  73 #endif
  74
  75 #ifndef __cplusplus             /* C++ has false, true, bool as keywords */
  76 # ifdef HAVE_STDBOOL_H
  77 #  include <stdbool.h>
  78 # else
  79 typedef enum { false, true } bool;
  80 # endif
  81 #endif
  82
  83 #endif  /* NASM_COMPILER_H */