MPD  0.20.6
check.h
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1 /*
2  * Copyright 2003-2017 The Music Player Daemon Project
3  * http://www.musicpd.org
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 #ifndef MPD_CHECK_H
21 #define MPD_CHECK_H
22 
23 /*
24  * All sources must include config.h on the first line to ensure that
25  * Large File Support is configured properly. This header checks
26  * whether this has happened.
27  *
28  * Usage: include this header before you use any of the above types.
29  * It will stop the compiler if something went wrong.
30  *
31  * This is Linux/glibc specific, and only enabled in the debug build,
32  * so bugs in this headers don't affect users with production builds.
33  *
34  */
35 
36 #ifndef PACKAGE_VERSION
37 #error config.h missing
38 #endif
39 
40 #if defined(__linux__) && !defined(NDEBUG) && defined(ENABLE_LARGEFILE) && \
41  defined(_FEATURES_H) && defined(__i386__) && \
42  !defined(__USE_FILE_OFFSET64)
43 /* on i386, check if LFS is enabled */
44 #error config.h was included too late
45 #endif
46 
47 #endif