libs/mpega/global.h

   1 /*
   2  * libmad - MPEG audio decoder library
   3  * Copyright (C) 2000-2003 Underbit Technologies, Inc.
   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
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  * $Id$
  20  */
  21
  22 # ifndef LIBMAD_GLOBAL_H
  23 # define LIBMAD_GLOBAL_H
  24
  25 /* conditional debugging */
  26
  27 # if defined(DEBUG) && defined(NDEBUG)
  28 #  error "cannot define both DEBUG and NDEBUG"
  29 # endif
  30
  31 # if defined(DEBUG)
  32 #  include <stdio.h>
  33 # endif
  34
  35 /* conditional features */
  36
  37 # if defined(OPT_SPEED) && defined(OPT_ACCURACY)
  38 #  error "cannot optimize for both speed and accuracy"
  39 # endif
  40
  41 # if defined(OPT_SPEED) && !defined(OPT_SSO)
  42 #  define OPT_SSO
  43 # endif
  44
  45 # if defined(HAVE_UNISTD_H) && defined(HAVE_WAITPID) &&  \
  46     defined(HAVE_FCNTL) && defined(HAVE_PIPE) && defined(HAVE_FORK)
  47 #  define USE_ASYNC
  48 # endif
  49
  50 # if !defined(HAVE_ASSERT_H)
  51 #  if defined(NDEBUG)
  52 #   define assert(x)    /* nothing */
  53 #  else
  54 #   define assert(x)    do { if (!(x)) abort(); } while (0)
  55 #  endif
  56 # endif
  57
  58 # endif