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# src/check.h

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    00001 /*
    00002  * Copyright (C) 2003-2010 The Music Player Daemon Project
    00003  * http://www.musicpd.org
    00004  *
    00005  * This program is free software; you can redistribute it and/or modify
    00006  * it under the terms of the GNU General Public License as published by
    00007  * the Free Software Foundation; either version 2 of the License, or
    00008  * (at your option) any later version.
    00009  *
    00010  * This program is distributed in the hope that it will be useful,
    00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00013  * GNU General Public License for more details.
    00014  *
    00015  * You should have received a copy of the GNU General Public License along
    00016  * with this program; if not, write to the Free Software Foundation, Inc.,
    00017  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
    00018  */
    00019
    00020 #ifndef MPD_CHECK_H
    00021 #define MPD_CHECK_H
    00022
    00023 /*
    00024  * All sources must include config.h on the first line to ensure that
    00025  * Large File Support is configured properly.  This header checks
    00026  * whether this has happened.
    00027  *
    00028  * Usage: include this header before you use any of the above types.
    00029  * It will stop the compiler if something went wrong.
    00030  *
    00031  * This is Linux/glibc specific, and only enabled in the debug build,
    00032  * so bugs in this headers don't affect users with production builds.
    00033  *
    00034  */
    00035
    00036 #ifndef PACKAGE_VERSION
    00037 #error config.h missing
    00038 #endif
    00039
    00040 #if defined(__linux__) && !defined(NDEBUG) && defined(ENABLE_LARGEFILE) && \
    00041         defined(_FEATURES_H) && defined(__i386__) && \
    00042         !defined(__USE_FILE_OFFSET64)
    00043 /* on i386, check if LFS is enabled */
    00044 #error config.h was included too late
    00045 #endif
    00046
    00047 #endif