61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/* Copyright (C) 2012-2016 Free Software Foundation, Inc.
|
|
|
|
This program 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include "config.h"
|
|
|
|
/* This is a merge of code recommended in the autoconf-2.61 documentation
|
|
with that recommended in the autoconf-2.13 documentation, with added
|
|
tweaks to heed C_ALLOCA. */
|
|
|
|
#if defined HAVE_ALLOCA_H && !defined C_ALLOCA
|
|
# include <alloca.h>
|
|
#else
|
|
# if defined __GNUC__ && !defined C_ALLOCA
|
|
# if !defined alloca
|
|
# define alloca __builtin_alloca
|
|
# endif
|
|
# else
|
|
# if defined _AIX
|
|
/* Indented so that pre-ansi C compilers will ignore it, rather than
|
|
choke on it. Some versions of AIX require this to be the first
|
|
thing seen by the compiler except for comments and preprocessor
|
|
directives. */
|
|
#pragma alloca
|
|
# else
|
|
# if defined _MSC_VER && !defined C_ALLOCA
|
|
# include <malloc.h>
|
|
# define alloca _alloca
|
|
# else
|
|
# if !defined alloca
|
|
# if defined __STDC__ || defined __hpux
|
|
# if defined HAVE_STDDEF_H
|
|
# include <stddef.h>
|
|
# if defined __cplusplus
|
|
extern "C" void *alloca (size_t);
|
|
# else
|
|
extern void *alloca (size_t);
|
|
# endif
|
|
# else
|
|
extern void *alloca ();
|
|
# endif
|
|
# else
|
|
extern char *alloca ();
|
|
# endif
|
|
# endif
|
|
# endif
|
|
# endif
|
|
# endif
|
|
#endif
|