1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/* Zebra common header.
Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Kunihiro Ishiguro
This file is part of GNU Zebra.
GNU Zebra 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 Zebra 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 Zebra; see the file COPYING. If not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
/* The purpose of this file is:
*
* (a) to wrap the "config.h" so that can be included in more than one place.
*
* (b) to include some magic apparently required for pthread
*
* (c) for glibc, get the <features.h> included early, but after the magic
* in (b) above.
*/
#ifndef _ZEBRA_CONFIG_H
#define _ZEBRA_CONFIG_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
/* To turn on pthreads (under gcc, at least) we use -pthread -- which tells
* both compiler and linker what to do.
*
* The folklore says that this is not necessarily sufficient, hence the
* following spells.
*/
#undef _THREAD_SAFE
#define _THREAD_SAFE 1
#undef _REENTRANT
#define _REENTRANT 1
/* When compiling for use with glibc, painful experience indicated that
* invoking <features.h> *early* was a Good Thing. Also, want the above
* _THREAD_SAFE and _REENTRANT to be taken into consideration.
*
* The HAVE_FEATURES_H avoids this if not using glibc !
*/
#ifdef HAVE_FEATURES_H
#ifdef _FEATURES_H
#error Features defined too early
#endif
#include <features.h>
#endif /* HAVE_FEATURES_H */
#endif /* _ZEBRA_CONFIG_H */
|
