# Process this file with autoconf to produce a configure script.
AC_INIT(SDL_sound.c)

dnl ---------------------------------------------------------------------
dnl System/version info
dnl ---------------------------------------------------------------------

# Making releases:
#   MICRO_VERSION += 1;
#   INTERFACE_AGE += 1;
#   BINARY_AGE += 1;
# if any functions have been added, set INTERFACE_AGE to 0.
# if backwards compatibility has been broken,
# set BINARY_AGE and INTERFACE_AGE to 0.

MAJOR_VERSION=0
MINOR_VERSION=1
MICRO_VERSION=2
INTERFACE_AGE=0
BINARY_AGE=0
VERSION=$MAJOR_VERSION.$MINOR_VERSION.$MICRO_VERSION

AC_SUBST(MAJOR_VERSION)
AC_SUBST(MINOR_VERSION)
AC_SUBST(MICRO_VERSION)
AC_SUBST(INTERFACE_AGE)
AC_SUBST(BINARY_AGE)
AC_SUBST(VERSION)

# libtool versioning
LT_RELEASE=$MAJOR_VERSION.$MINOR_VERSION
LT_CURRENT=`expr $MICRO_VERSION - $INTERFACE_AGE`
LT_REVISION=$INTERFACE_AGE
LT_AGE=`expr $BINARY_AGE - $INTERFACE_AGE`

AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)

dnl Detect the canonical host and target build environment
AC_CANONICAL_HOST
AC_CANONICAL_TARGET

dnl Setup for automake
AM_INIT_AUTOMAKE(SDL_sound, $VERSION)


dnl ---------------------------------------------------------------------
dnl Compilers and other tools
dnl ---------------------------------------------------------------------

AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_LIBTOOL


dnl ---------------------------------------------------------------------
dnl Checks for libraries.
dnl ---------------------------------------------------------------------

dnl Check for SDL
SDL_VERSION=1.2.0
AM_PATH_SDL($SDL_VERSION,
            :,
	    AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
)
CFLAGS="$CFLAGS $SDL_CFLAGS"
LIBS="$LIBS $SDL_LIBS"

dnl Check for voc decoder inclusion...
AC_ARG_ENABLE(voc,
[  --enable-voc               enable VOC decoding [default=yes]],
              , enable_voc=yes)
if test x$enable_voc = xyes; then
    AC_DEFINE(SOUND_SUPPORTS_VOC)
fi


dnl Check for wav decoder inclusion...
AC_ARG_ENABLE(wav,
[  --enable-wav               enable WAV decoding [default=yes]],
              , enable_wav=yes)
if test x$enable_wav = xyes; then
    AC_DEFINE(SOUND_SUPPORTS_WAV)
fi


dnl Check for raw decoder inclusion...
AC_ARG_ENABLE(raw,
[  --enable-raw               enable raw audio "decoding" [default=yes]],
              , enable_raw=yes)
if test x$enable_raw = xyes; then
    AC_DEFINE(SOUND_SUPPORTS_RAW)
fi


dnl Check for aiff decoder inclusion...
AC_ARG_ENABLE(aiff,
[  --enable-aiff              enable AIFF decoding [default=yes]],
              , enable_aiff=yes)
if test x$enable_aiff = xyes; then
    AC_DEFINE(SOUND_SUPPORTS_AIFF)
fi


dnl DO NOT ENABLE THIS YET. IT'S NOT COMPLETE.
dnl DO NOT ENABLE THIS YET. IT'S NOT COMPLETE.
dnl DO NOT ENABLE THIS YET. IT'S NOT COMPLETE.
dnl DO NOT ENABLE THIS YET. IT'S NOT COMPLETE.
dnl Check for shn decoder inclusion...
AC_ARG_ENABLE(shn,
[  --enable-shn               enable SHN decoding [default=no]],
              , enable_shn=no)
if test x$enable_shn = xyes; then
    AC_DEFINE(SOUND_SUPPORTS_SHN)
fi
dnl DO NOT ENABLE THIS YET. IT'S NOT COMPLETE.
dnl DO NOT ENABLE THIS YET. IT'S NOT COMPLETE.
dnl DO NOT ENABLE THIS YET. IT'S NOT COMPLETE.
dnl DO NOT ENABLE THIS YET. IT'S NOT COMPLETE.


dnl Check for libmikmod
AC_ARG_ENABLE(mikmod,
[  --enable-mikmod            enable MOD decoding via mikmod [default=yes]],
              , enable_mikmod=yes)
if test x$enable_mikmod = xyes; then
  AM_PATH_LIBMIKMOD
  if test "x$no_libmikmod" = "x" ; then
    CFLAGS="$CFLAGS $LIBMIKMOD_CFLAGS"
    LIBS="$LIBS $LIBMIKMOD_LIBS"
    LDADD="$LDADD $LIBMIKMOD_LDADD"
    AC_DEFINE(SOUND_SUPPORTS_MOD)
  fi
fi

dnl Check for vorbis
AC_ARG_ENABLE(vorbis,
[  --enable-vorbis            enable OGG music via vorbis [default=yes]],
              , enable_vorbis=yes)
if test x$enable_vorbis = xyes; then
  AM_PATH_VORBIS
  if test "x$no_vorbis" = "x" ; then
    CFLAGS="$CFLAGS $VORBIS_CFLAGS"
    LIBS="$LIBS $VORBIS_LIBS $VORBISFILE_LIBS $VORBISENC_LIBS"
    AC_DEFINE(SOUND_SUPPORTS_OGG)
  fi
fi

dnl Check for SMPEG
AC_ARG_ENABLE(smpeg,
[  --enable-smpeg             enable MP3 music via smpeg [default=yes]],
              , enable_smpeg=yes)
if test x$enable_smpeg = xyes; then
  SMPEG_VERSION=0.4.3
  AM_PATH_SMPEG($SMPEG_VERSION, , no_smpeg=yes)
  if test "x$no_smpeg" = "x" ; then
    CFLAGS="$CFLAGS $SMPEG_CFLAGS"
    LIBS="$LIBS $SMPEG_LIBS"
    AC_DEFINE(SOUND_SUPPORTS_MP3)
  fi
fi



# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([stdlib.h string.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T

# Checks for library functions.

# This is only in the bleeding edge autoconf distro...
#AC_FUNC_MALLOC

AC_FUNC_MEMCMP
AC_CHECK_FUNCS([memset strrchr])


AC_OUTPUT([
Makefile
decoders/Makefile
test/Makefile
])