xm-openbsd.h

来自「这是一个linux 嵌入式系统中很重要的GCC编译器程序」· C头文件 代码 · 共 36 行

/* Configuration fragment for hosts running a version of OpenBSD.
   Copyright (C) 1999 Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */
/* This file gets included by all architectures. It holds stuff
   that ought to be defined when hosting a compiler on an OpenBSD
   machine, independently of the architecture. It's included by
   ${cpu_type}/xm-openbsd.h, not included directly.  */

/* OpenBSD is trying to be POSIX-compliant, to the point of fixing
   problems that may occur with gcc's interpretation.  */
#undef POSIX
#define POSIX

/* Ensure we get gnu C's defaults.  */
#ifdef __GNUC__
#define alloca __builtin_alloca
#endif