dnl Process this file with autoconf to produce a configure script.

AC_INIT(README)

dnl Set various version strings - taken gratefully from the GTk sources

# 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=1

MINOR_VERSION=2

MICRO_VERSION=7

INTERFACE_AGE=5

BINARY_AGE=7

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 build and host environments

AC_CONFIG_AUX_DIRS($srcdir/build-scripts)

AC_CANONICAL_HOST

dnl Set up the compiler and linker flags

case "$host" in

    *-*-cygwin*)

        # We build SDL on cygwin without the UNIX emulation layer

        BASE_CFLAGS="-I/usr/include/mingw -mno-cygwin"

        BASE_LDFLAGS="-mno-cygwin"

        ;;

    *)

        BASE_CFLAGS="-D_GNU_SOURCE=1"

        BASE_LDFLAGS=""

        ;;

esac

BUILD_CFLAGS="$CFLAGS $CPPFLAGS"

EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"

BUILD_LDFLAGS="$LDFLAGS"

EXTRA_LDFLAGS="$BASE_LDFLAGS"

for path in /usr/local; do

    if test -d $path/include; then

        EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"

    fi

    if test -d $path/lib; then

        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"

    fi

done

CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"

CFLAGS="$CFLAGS $EXTRA_CFLAGS"

LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"

dnl Check for tools

AC_LIBTOOL_WIN32_DLL

AC_PROG_LIBTOOL

AC_PROG_CC

AC_PROG_CXX

AC_PROG_INSTALL

AC_PROG_MAKE_SET

dnl Check for compiler characteristics

AC_C_CONST

case "$host" in

    *-*-cygwin* | *-*-mingw32*)

        EXE=".exe"

        ;;

    *)

        EXE=""

        ;;

esac

# Standard C sources

SOURCES="$SOURCES \

$srcdir/effect_position.c \

$srcdir/effect_stereoreverse.c \

$srcdir/effects_internal.c \

$srcdir/load_aiff.c \

$srcdir/load_voc.c \

$srcdir/mixer.c \

$srcdir/music.c"

dnl Check for SDL

SDL_VERSION=1.2.10

AM_PATH_SDL($SDL_VERSION,

            :,

	    AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])

)

EXTRA_CFLAGS="$EXTRA_CFLAGS $SDL_CFLAGS"

EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SDL_LIBS"

dnl Check command-line options

AC_ARG_ENABLE(music-cmd,

[  --enable-music-cmd      support an external music player [default=yes]],

              , enable_music_cmd=yes)

if test x$enable_music_cmd = xyes; then

    SOURCES="$SOURCES $srcdir/music_cmd.c"

    EXTRA_CFLAGS="$EXTRA_CFLAGS -DCMD_MUSIC"

fi

AC_ARG_ENABLE(music-wave,

[  --enable-music-wave     enable streaming WAVE music [default=yes]],

              , enable_music_wave=yes)

if test x$enable_music_wave = xyes; then

    SOURCES="$SOURCES $srcdir/wavestream.c"

    EXTRA_CFLAGS="$EXTRA_CFLAGS -DWAV_MUSIC"

fi

no_libmikmod=yes

libmikmod_maj=3

libmikmod_min=1

libmikmod_rev=10

libmikmod_ver="$libmikmod_maj.$libmikmod_min.$libmikmod_rev"

AC_ARG_ENABLE(music-libmikmod,

[  --enable-music-libmikmod  enable MOD music via external libmikmod [default=no]],

              , enable_music_libmikmod=no)

if test x$enable_music_libmikmod = xyes; then

	AC_PATH_PROG(LIBMIKMOD_CONFIG, libmikmod-config, no, [$PATH])

	if test "$LIBMIKMOD_CONFIG" != "no" ; then

		no_libmikmod=no

		CFLAGS_SAVED="$CFLAGS"

		LIBS_SAVED="$LIBS"

		CFLAGS="$CFLAGS -DLIBMIKMOD_MUSIC `$LIBMIKMOD_CONFIG --cflags`"

		LIBS="$LIBS `$LIBMIKMOD_CONFIG --libs`"

		AC_MSG_CHECKING([for libmikmod - version >= $libmikmod_ver])

		AC_TRY_RUN([

#include "mikmod.h"

#include "stdio.h"

int main(int argc, char **argv)

{

	long maj=$libmikmod_maj,min=$libmikmod_min,rev=$libmikmod_rev,ver=MikMod_GetVersion();

	/*printf("(%d.%d.%d) ",ver>>16,(ver>>8)&0xff,ver&0xff);*/

	if(ver>=((maj<<16)|(min<<8)|(rev))) {

		printf("yes\n");

		return 0;

	}

	printf("no\n*** libmikmod is older than %d.%d.%d, not using.\n",maj,min,rev);

	return 1;

}

],,CFLAGS="$CFLAGS_SAVED";LIBS="$LIBS_SAVED",

[echo $ac_n "cross compiling; assumed OK... $ac_c"])

	fi

fi

AC_ARG_ENABLE(music-mod,

[  --enable-music-mod      enable MOD music via mikmod [default=yes]],

, enable_music_mod=$no_libmikmod)

if test x$enable_music_mod = xyes; then

    EXTRA_CFLAGS="$EXTRA_CFLAGS -DMOD_MUSIC -I\$(srcdir)/mikmod"

    SOURCES="$SOURCES $srcdir/mikmod/*.c"

fi

AC_ARG_ENABLE(music-midi,

[  --enable-music-midi     enable MIDI music via timidity [default=yes]],

              , enable_music_midi=yes)

if test x$enable_music_midi = xyes; then

    EXTRA_CFLAGS="$EXTRA_CFLAGS -DMID_MUSIC"

    AC_ARG_ENABLE(music-timidity-midi,

[  --enable-music-timidity-midi  enable timidity MIDI output [default=yes]],

                  , enable_music_timidity_midi=yes)

    if test x$enable_music_timidity_midi = xyes; then

        EXTRA_CFLAGS="$EXTRA_CFLAGS -DUSE_TIMIDITY_MIDI -I\$(srcdir)/timidity"

        SOURCES="$SOURCES $srcdir/timidity/*.c"

    fi

    AC_ARG_ENABLE(music-native-midi,

[  --enable-music-native-midi  enable native MIDI music output [default=yes]],

                  , enable_music_native_midi=yes)

    if test x$enable_music_native_midi = xyes; then

        use_music_native_midi=no

        case "$host" in

            *-*-cygwin* | *-*-mingw32*)

                use_music_native_midi=yes

                EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lwinmm"

                ;;

            *-*-darwin*)

                use_music_native_midi=yes

                EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuickTime"

                ;;

        esac

        if test x$use_music_native_midi = xyes; then

            EXTRA_CFLAGS="$EXTRA_CFLAGS -DUSE_NATIVE_MIDI -I\$(srcdir)/native_midi"

            SOURCES="$SOURCES $srcdir/native_midi/*.c"

        fi

    fi

    AC_ARG_ENABLE(music-native-midi-gpl,

[  --enable-music-native-midi-gpl  enable native MIDI on UNIX using GPL code [default=no]],

                  , enable_music_native_midi_gpl=no)

    if test x$enable_music_native_midi_gpl = xyes; then

        use_music_native_midi_gpl=no

        case "$host" in

            *-*-linux* | *-*-freebsd*)

                use_music_native_midi_gpl=yes

                ;;

        esac

        if test x$use_music_native_midi_gpl = xyes; then

            EXTRA_CFLAGS="$EXTRA_CFLAGS -DUSE_NATIVE_MIDI -I\$(srcdir)/native_midi"

            SOURCES="$SOURCES $srcdir/native_midi_gpl/*.c"

        fi

    fi

fi

AC_ARG_ENABLE(music-ogg,

[  --enable-music-ogg      enable Ogg Vorbis music [default=yes]],

              , enable_music_ogg=yes)

if test x$enable_music_ogg = xyes; then

    AC_MSG_CHECKING(for Ogg Vorbis headers and libraries)

    have_vorbis=no

    AC_TRY_COMPILE([

     #include <vorbis/vorbisfile.h>

    ],[

    ],[

    have_vorbis=yes

    ])

    AC_MSG_RESULT($have_vorbis)

    if test x$have_vorbis = xyes; then

        SOURCES="$SOURCES $srcdir/load_ogg.c $srcdir/music_ogg.c"

        EXTRA_CFLAGS="$EXTRA_CFLAGS -DOGG_MUSIC"

        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvorbisfile -lvorbis -logg"

    fi

fi

AC_ARG_ENABLE(music-mp3,

[  --enable-music-mp3      enable MP3 music via smpeg [default=yes]],

              , enable_music_mp3=yes)

if test x$enable_music_mp3 = xyes; then

    SMPEG_VERSION=0.4.3

    AM_PATH_SMPEG($SMPEG_VERSION, have_smpeg=yes, have_smpeg=no)

    if test x$have_smpeg = xyes; then

        EXTRA_CFLAGS="$EXTRA_CFLAGS -DMP3_MUSIC $SMPEG_CFLAGS"

        EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SMPEG_LIBS"

    fi

fi

OBJECTS=`echo $SOURCES | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.lo,g'`

dnl Expand the sources and objects needed to build the library

AC_SUBST(ac_aux_dir)

AC_SUBST(SOURCES)

AC_SUBST(OBJECTS)

AC_SUBST(BUILD_CFLAGS)

AC_SUBST(EXTRA_CFLAGS)

AC_SUBST(BUILD_LDFLAGS)

AC_SUBST(EXTRA_LDFLAGS)

AC_SUBST(EXE)

AC_SUBST(SDL_CFLAGS)

AC_SUBST(SDL_LIBS)

AC_OUTPUT([

    Makefile SDL_mixer.spec SDL_mixer.qpg

], [

    : >build-deps

    if test x"$MAKE" = x; then MAKE=make; fi; $MAKE depend

])