gcc/gansidecl.h

   1 /* ANSI and traditional C compatibility macros.
   2    Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
   3
   4 This file is part of GNU CC.
   5
   6 GNU CC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU CC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU CC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 /* This file mimics some of the support provided by include/ansidecl.h
  22    in binutils and gdb releases.
  23    ??? Over time the two should be merged into one.  */
  24
  25 #ifndef __GANSIDECL_H__
  26 #define __GANSIDECL_H__
  27
  28 #include "ansidecl.h"
  29
  30 /* Autoconf will possibly define the `inline' or `const' keywords as
  31    macros, however this is only valid for the stage1 compiler.  If we
  32    detect a modern version of gcc, unconditionally reset the values.
  33    This makes sure the right thing happens in stage2 and later.  We
  34    need to do this very early; i.e. before any systems header files or
  35    gcc header files in case they use these keywords.  Otherwise
  36    conflicts might occur. */
  37 #if (GCC_VERSION >= 2007)
  38 # ifdef __STDC__
  39 #  undef const
  40 # endif
  41 # undef inline
  42 # define inline __inline__  /* Modern gcc can use `__inline__' freely. */
  43 # ifndef HAVE_LONG_DOUBLE
  44 #  define HAVE_LONG_DOUBLE 1
  45 # endif
  46 /* Assume that (non-traditional) gcc used in stage2 or later has the
  47    stringize feature.  */
  48 # if !defined (HAVE_STRINGIZE) && __STDC__
  49 #  define HAVE_STRINGIZE 1
  50 # endif /* ! HAVE_STRINGIZE && __STDC__ */
  51 #endif /* GCC >= 2.7 */
  52
  53 #ifndef NULL_PTR
  54 #define NULL_PTR ((PTR) 0)
  55 #endif
  56
  57 #endif /* __GANSIDECL_H__ */