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
  18 #ifndef COMPILER_H
  19 #define COMPILER_H 1
  20
  21 #ifdef HAVE_CONFIG_H
  22 # include "config.h"
  23 #endif
  24
  25 #ifdef __GNUC__
  26 # if __GNUC__ >= 4
  27 #  define HAVE_GNUC_4
  28 # endif
  29 # if __GNUC__ >= 3
  30 #  define HAVE_GNUC_3
  31 # endif
  32 #endif
  33
  34 #ifdef __GNUC__
  35 # define _unused        __attribute__((unused))
  36 #else
  37 # define _unused
  38 #endif
  39
  40 /* Some versions of MSVC have these only with underscores in front */
  41
  42 #if !defined(HAVE_SNPRINTF) && defined(HAVE__SNPRINTF)
  43 # define snprintf _snprintf
  44 #endif
  45
  46 #if !defined(HAVE_VSNPRINTF) && defined(HAVE__VSNPRINTF)
  47 # define vsnprintf _vsnprintf
  48 #endif
  49
  50 #endif  /* COMPILER_H */