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

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 Debug mode?

dnl ---------------------------------------------------------------------

AC_ARG_ENABLE(debug,

[ --enable-debug enable debug mode [default=no]],

if test x$enable_debug = xyes; then

if test x$ac_cv_prog_cc_g = xyes; then

CFLAGS="-g -O0"

else

CFLAGS="-O0"

fi

else

AC_DEFINE(NDEBUG)

fi

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 Check for shn decoder inclusion...

AC_ARG_ENABLE(shn,

[ --enable-shn enable SHN decoding [default=yes]],

, enable_shn=yes)

if test x$enable_shn = xyes; then

AC_DEFINE(SOUND_SUPPORTS_SHN)

fi

dnl Check for the MIDI pipe decoder...

AC_ARG_ENABLE(midi,

[ --enable-midi enable software MIDI music [default=yes]],

, enable_midi=yes)

if test x$enable_midi = xyes; then

AC_DEFINE(SOUND_SUPPORTS_MIDI)

fi

dnl Check for libFLAC

AC_ARG_ENABLE(flac,

[ --enable-flac enable FLAC decoding via libFLAC [default=yes]],

, enable_flac=yes)

if test x$enable_flac = xyes; then

AC_CHECK_LIB(FLAC, FLAC__stream_decoder_new, have_flac_lib=yes)

if test x$have_flac_hdr = xyes -a x$have_flac_lib = xyes; then

LIBS="$LIBS -lFLAC"

AC_DEFINE(SOUND_SUPPORTS_FLAC)

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

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_MIKMOD)

fi

fi

dnl Check for libmodplug

AC_ARG_ENABLE(modplug,

[ --enable-modplug enable MOD decoding via modplug [default=yes]],

, enable_modplug=yes)

if test x$enable_modplug = xyes; then

AC_CHECK_HEADER(modplug.h, have_modplug_hdr=yes)

AC_CHECK_LIB(modplug, ModPlug_Load, have_modplug_lib=yes)

if test x$have_modplug_hdr = xyes -a x$have_modplug_lib = xyes; then

LIBS="$LIBS -lmodplug"

AC_DEFINE(SOUND_SUPPORTS_MODPLUG)

fi

fi

dnl Check for vorbis

AC_ARG_ENABLE(vorbis,

, 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 efence (!!! FIXME : This doesn't work.)

dnl AC_ARG_ENABLE(efence,

dnl [ --enable-efence enable ElectricFence usage [default=no]],

dnl , enable_efence=no)

dnl if test x$enable_efence = xyes; then

dnl LIBS="$LIBS /usr/lib/libefence.a"

dnl 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])

dnl Add Makefile conditionals

AM_CONDITIONAL(USE_TIMIDITY, test x$enable_midi = xyes)

AC_OUTPUT([

Makefile

decoders/Makefile

test/Makefile

])