gcc/config/xm-openbsd.h

   1 /* Configuration fragment for hosts running a version of OpenBSD.
   2    Copyright (C) 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 /* This file gets included by all architectures. It holds stuff
  21    that ought to be defined when hosting a compiler on an OpenBSD
  22    machine, independently of the architecture. It's included by
  23    ${cpu_type}/xm-openbsd.h, not included directly.  */
  24
  25 /* OpenBSD is trying to be POSIX-compliant, to the point of fixing
  26    problems that may occur with gcc's interpretation.  */
  27 #undef POSIX
  28 #define POSIX
  29
  30 /* Ensure we get gnu C's defaults.  */
  31 #ifdef __GNUC__
  32 #define alloca __builtin_alloca
  33 #endif
  34
  35