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

AC_INIT(README.txt)

AC_CONFIG_AUX_DIR(build-scripts)

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=2

MINOR_VERSION=0

MICRO_VERSION=4

INTERFACE_AGE=2

BINARY_AGE=4

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_INIT([win32-dll])

LT_RELEASE=$MAJOR_VERSION.$MINOR_VERSION

LT_CURRENT=`expr $MICRO_VERSION - $INTERFACE_AGE`

LT_REVISION=$INTERFACE_AGE

LT_AGE=`expr $BINARY_AGE - $INTERFACE_AGE`

m4_pattern_allow([^LT_])

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)

dnl AC_CANONICAL_HOST

dnl Check for tools

AC_PROG_LIBTOOL

AC_PROG_CC

AC_PROG_INSTALL

AC_PROG_MAKE_SET

if test -z "$host_alias"; then

hostaliaswindres=

else

hostaliaswindres="$host_alias-windres"

fi

AC_CHECK_PROGS(WINDRES, [windres $hostaliaswindres $host_os-windres])

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"

## These are common directories to find software packages

#for path in /usr/freeware /usr/pkg /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 compiler characteristics

AC_C_CONST

dnl See whether we can use gcc style dependency tracking

AC_ARG_ENABLE(dependency-tracking,

AC_HELP_STRING([--enable-dependency-tracking],

[Use gcc -MMD -MT dependency tracking [[default=yes]]]),

, enable_dependency_tracking=yes)

if test x$enable_dependency_tracking = xyes; then

have_gcc_mmd_mt=no

AC_MSG_CHECKING(for GCC -MMD -MT option)

AC_TRY_COMPILE([

#if !defined(__GNUC__) || __GNUC__ < 3

#error Dependency tracking requires GCC 3.0 or newer

#endif

],[

],[

have_gcc_mmd_mt=yes

])

AC_MSG_RESULT($have_gcc_mmd_mt)

if test x$have_gcc_mmd_mt = xyes; then

DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@"

fi

fi

case "$host" in

*mingw32ce*)

#VERSION_SOURCES="$srcdir/version.rc"

EXE=".exe"

;;

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

VERSION_SOURCES="$srcdir/version.rc"

EXE=".exe"

if test "$build" != "$host"; then # cross-compiling

# Default cross-compile location

ac_default_prefix=/usr/local/cross-tools/$host

else

# Look for the location of the tools and install there

if test "$BUILD_PREFIX" != ""; then

ac_default_prefix=$BUILD_PREFIX

fi

fi

;;

*)

EXE=""

;;

esac

# Standard C sources

SOURCES=`ls $srcdir/*.c | fgrep -v playwave.c | fgrep -v playmus.c`

dnl set this to use on systems that use lib64 instead of lib

base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`

dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).

dnl Details of this flag are here: http://gcc.gnu.org/wiki/Visibility

CheckVisibilityHidden()

{

AC_MSG_CHECKING(for GCC -fvisibility=hidden option)

have_gcc_fvisibility=no

visibility_CFLAGS="-fvisibility=hidden"

save_CFLAGS="$CFLAGS"

CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"

AC_TRY_COMPILE([

#if !defined(__GNUC__) || __GNUC__ < 4

#error SDL only uses visibility attributes in GCC 4 or newer

#endif

],[

],[

have_gcc_fvisibility=yes

])

AC_MSG_RESULT($have_gcc_fvisibility)

CFLAGS="$save_CFLAGS"

if test x$have_gcc_fvisibility = xyes; then

EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"

fi

}

dnl Function to find a library in the compiler search path

find_lib()

{

gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]

gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]

env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]

if test "$cross_compiling" = yes; then

host_lib_path=""

else

host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"

fi

for path in $env_lib_path $gcc_bin_path $gcc_lib_path $host_lib_path; do

lib=[`ls -- $path/$1 2>/dev/null | sed -e '/\.so\..*\./d' -e 's,.*/,,' | sort | tail -1`]

if test x$lib != x; then

echo $lib

return

fi

done

}

dnl Check for SDL

SDL_VERSION=2.0.7

AM_PATH_SDL2($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 for math library

AC_CHECK_LIB(m, pow, [LIBM="-lm"])

AC_CHECK_HEADERS([signal.h], [EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_SIGNAL_H"])

AC_CHECK_FUNCS(setbuf, [EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_SETBUF"])

dnl Check command-line options

CheckVisibilityHidden

AC_ARG_ENABLE([music-cmd],

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

[], [enable_music_cmd=detect])

if test "x$enable_music_cmd" != xno; then

AC_CHECK_FUNCS([fork vfork])

if test "x$ac_cv_func_fork" = "xyes"; then

EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_FORK"

elif test "x$ac_cv_func_vfork" = "xyes"; then

EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_VFORK"

elif test "x$enable_music_cmd" = "xyes"; then

AC_MSG_ERROR([external music player not available on your platform])

else

enable_music_cmd=no

fi

if test "x$enable_music_cmd" != xno; then

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_CMD"

fi

fi

AC_ARG_ENABLE([music-wave],

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

[], [enable_music_wave=yes])

if test x$enable_music_wave = xyes; then

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_WAV"

fi

AC_ARG_ENABLE([music-mod],

AC_HELP_STRING([--enable-music-mod], [enable MOD music [[default=yes]]]),

[], [enable_music_mod=yes])

AC_ARG_ENABLE([music-mod-modplug],

AC_HELP_STRING([--enable-music-mod-modplug], [enable MOD music via modplug [[default=yes]]]),

[], [enable_music_mod_modplug=yes])

AC_ARG_ENABLE([music-mod-modplug-shared],

AC_HELP_STRING([--enable-music-mod-modplug-shared], [dynamically load modplug library [[default=yes]]]),

[], [enable_music_mod_modplug_shared=yes])

if test x$enable_music_mod = xyes -a x$enable_music_mod_modplug = xyes; then

PKG_CHECK_MODULES([MODPLUG], [libmodplug >= 0.8.8], [dnl

have_libmodplug_hdr=yes

have_libmodplug_lib=yes

], [dnl

AC_CHECK_HEADER([libmodplug/modplug.h], [have_libmodplug_hdr=yes])

AC_CHECK_LIB([modplug], [ModPlug_Load], [have_libmodplug_lib=yes;MODPLUG_LIBS="-lmodplug"])

])

if test x$have_libmodplug_hdr = xyes -a x$have_libmodplug_lib = xyes; then

have_libmodplug=yes

case "$host" in

*-*-darwin*)

modplug_lib=[`find_lib libmodplug.dylib`]

;;

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

modplug_lib=[`find_lib "libmodplug*.dll"`]

;;

*)

modplug_lib=[`find_lib "libmodplug[0-9]*.so.*"`]

if test x$modplug_lib = x; then

modplug_lib=[`find_lib "libmodplug.so.*"`]

fi

;;

esac

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_MOD_MODPLUG $MODPLUG_CFLAGS"

if test x$enable_music_mod_modplug_shared = xyes && test x$modplug_lib != x; then

echo "-- dynamic libmodplug -> $modplug_lib"

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMODPLUG_DYNAMIC=\\\"$modplug_lib\\\""

else

EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MODPLUG_LIBS"

fi

else

AC_MSG_WARN([*** Unable to find ModPlug library (http://modplug-xmms.sourceforge.net/)])

fi

fi

AC_ARG_ENABLE([music-mod-mikmod],

AC_HELP_STRING([--enable-music-mod-mikmod], [enable MOD music via mikmod [[default=no]]]),

[], [enable_music_mod_mikmod=no])

AC_ARG_ENABLE([music-mod-mikmod-shared],

AC_HELP_STRING([--enable-music-mod-mikmod-shared], [dynamically load mikmod library [[default=yes]]]),

[], [enable_music_mod_mikmod_shared=yes])

if test x$enable_music_mod = xyes -a x$enable_music_mod_mikmod = xyes; then

have_libmikmod=no

libmikmod_maj=3

libmikmod_min=1

libmikmod_rev=10

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

CFLAGS_SAVED="$CFLAGS"

LIBS_SAVED="$LIBS"

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

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

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

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

have_libmikmod=yes

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;

}

], [], [have_libmikmod=no], [echo $ac_n "cross compiling; assumed OK... $ac_c"])

fi

if test x$have_libmikmod = xyes; then

case "$host" in

*-*-darwin*)

mikmod_lib=[`find_lib libmikmod.dylib`]

;;

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

mikmod_lib=[`find_lib "libmikmod*.dll"`]

;;

*)

mikmod_lib=[`find_lib "libmikmod[0-9]*.so.*"`]

if test x$mikmod_lib = x; then

mikmod_lib=[`find_lib "libmikmod.so.*"`]

fi

;;

esac

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_MOD_MIKMOD `$LIBMIKMOD_CONFIG --cflags`"

if test x$enable_music_mod_mikmod_shared = xyes && test x$mikmod_lib != x; then

echo "-- dynamic libmikmod -> $mikmod_lib"

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMIKMOD_DYNAMIC=\\\"$mikmod_lib\\\""

else

EXTRA_LDFLAGS="$EXTRA_LDFLAGS `$LIBMIKMOD_CONFIG --libs`"

fi

else

AC_MSG_WARN([*** Unable to find MikMod library (http://mikmod.raphnet.net/)])

fi

LIBS="$LIBS_SAVED"

CFLAGS="$CFLAGS_SAVED"

fi

if test x$have_libmodplug != xyes -a x$have_libmikmod != xyes ; then

AC_MSG_WARN([MOD support disabled])

fi

AC_ARG_ENABLE([music-midi],

AC_HELP_STRING([--enable-music-midi], [enable MIDI music [[default=yes]]]),

[], [enable_music_midi=yes])

if test x$enable_music_midi = xyes; then

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_MID"

AC_ARG_ENABLE([music-midi-timidity],

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

[], [enable_music_midi_timidity=yes])

if test x$enable_music_midi_timidity = xyes; then

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

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

fi

AC_ARG_ENABLE([music-midi-native],

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

[], [enable_music_midi_native=yes])

if test x$enable_music_midi_native = xyes; then

use_music_midi_native=no

case "$host" in

*mingw32ce*)

use_music_midi_native=no

;;

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

use_music_midi_native=yes

EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lwinmm"

;;

*-*-darwin*)

use_music_midi_native=yes

EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit -Wl,-framework,CoreServices"

;;

*-*-haiku*)

use_music_midi_native=yes_cpp

EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lmidi"

;;

esac

if test x$use_music_midi_native = xyes; then

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

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

elif test x$use_music_midi_native = xyes_cpp; then

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

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

SOURCES_CXX="$SOURCES_CXX $srcdir/native_midi/*.cpp"

fi

fi

AC_ARG_ENABLE([music-midi-fluidsynth],

AC_HELP_STRING([--enable-music-midi-fluidsynth], [enable FluidSynth MIDI output [[default=yes]]]),

[], [enable_music_midi_fluidsynth=yes])

AC_ARG_ENABLE([music-midi-fluidsynth-shared],

AC_HELP_STRING([--enable-music-midi-fluidsynth-shared], [dynamically load FluidSynth library [[default=yes]]]),

[], [enable_music_midi_fluidsynth_shared=yes])

if test x$enable_music_midi_fluidsynth = xyes; then

AC_CHECK_HEADER([fluidsynth.h], [have_fluidsynth_hdr=yes])

AC_CHECK_LIB([fluidsynth], [fluid_player_add_mem], [have_fluidsynth_lib=yes])

if test x$have_fluidsynth_hdr = xyes -a x$have_fluidsynth_lib = xyes; then

have_fluidsynth=yes

case "$host" in

*-*-darwin*)

fluidsynth_lib=[`find_lib libfluidsynth.dylib`]

;;

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

fluidsynth_lib=[`find_lib "fluidsynth*.dll"`]

;;

*)

fluidsynth_lib=[`find_lib "libfluidsynth[0-9]*.so.*"`]

if test x$fluidsynth_lib = x; then

fluidsynth_lib=[`find_lib "libfluidsynth.so.*"`]

fi

;;

esac

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_MID_FLUIDSYNTH"

if test x$enable_music_midi_fluidsynth_shared = xyes && test x$fluidsynth_lib != x; then

echo "-- dynamic libfluidsynth -> $fluidsynth_lib"

EXTRA_CFLAGS="$EXTRA_CFLAGS -DFLUIDSYNTH_DYNAMIC=\\\"$fluidsynth_lib\\\""

else

EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lfluidsynth"

fi

else

AC_MSG_WARN([*** Unable to find FluidSynth library (http://www.fluidsynth.org/)])

AC_MSG_WARN([FluidSynth support disabled])

fi

fi

fi

if test x$enable_music_midi_timidity != xyes -a \

x$use_music_midi_native != xyes -a x$use_music_midi_native != xyes_cpp -a \

x$have_fluidsynth != xyes; then

AC_MSG_WARN([MIDI support disabled])

fi

AC_ARG_ENABLE([music-ogg],

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

[], [enable_music_ogg=yes])

AC_ARG_ENABLE(music-ogg-tremor,

AC_HELP_STRING([--enable-music-ogg-tremor], [enable OGG Vorbis music via libtremor [[default=no]]]),

[], enable_music_ogg_tremor=no)

AC_ARG_ENABLE([music-ogg-shared],

AC_HELP_STRING([--enable-music-ogg-shared], [dynamically load Ogg Vorbis library [[default=yes]]]),

[], [enable_music_ogg_shared=yes])

if test x$enable_music_ogg = xyes; then

LIBS_SAVED="$LIBS"

if test x$enable_music_ogg_tremor = xyes; then

AC_CHECK_HEADER([tremor/ivorbisfile.h], [have_tremor_hdr=yes])

AC_CHECK_LIB([vorbisidec], [ov_open_callbacks], [have_tremor_lib=yes], [], [-logg])

if test x$have_tremor_hdr = xyes -a x$have_tremor_lib = xyes; then

case "$host" in

*-*-darwin*)

ogg_lib=[`find_lib libvorbisidec.dylib`]

;;

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

ogg_lib=[`find_lib "vorbisidec*.dll"`]

;;

*)

ogg_lib=[`find_lib "libvorbisidec[0-9]*.so.*"`]

if test x$ogg_lib = x; then

ogg_lib=[`find_lib "libvorbisidec.so.*"`]

fi

;;

esac

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_OGG -DOGG_USE_TREMOR"

if test x$enable_music_ogg_shared = xyes && test x$ogg_lib != x; then

echo "-- dynamic libvorbisidec -> $ogg_lib"

EXTRA_CFLAGS="$EXTRA_CFLAGS -DOGG_DYNAMIC=\\\"$ogg_lib\\\""

else

EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvorbisidec -lvorbis"

fi

else

AC_MSG_WARN([*** Unable to find Ogg Vorbis Tremor library (http://www.xiph.org/)])

AC_MSG_WARN([Ogg Vorbis support disabled])

fi

else

AC_CHECK_HEADER([vorbis/vorbisfile.h], [have_ogg_hdr=yes])

AC_CHECK_LIB([vorbisfile], [ov_open_callbacks], [have_ogg_lib=yes], [], [-lvorbis -logg -lm])

if test x$have_ogg_hdr = xyes -a x$have_ogg_lib = xyes; then

case "$host" in

*-*-darwin*)

ogg_lib=[`find_lib libvorbisfile.dylib`]

;;

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

ogg_lib=[`find_lib "libvorbisfile*.dll"`]

;;

*)

ogg_lib=[`find_lib "libvorbisfile[0-9]*.so.*"`]

if test x$ogg_lib = x; then

ogg_lib=[`find_lib "libvorbisfile.so.*"`]

fi

;;

esac

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_OGG"

if test x$enable_music_ogg_shared = xyes && test x$ogg_lib != x; then

echo "-- dynamic libvorbisfile -> $ogg_lib"

EXTRA_CFLAGS="$EXTRA_CFLAGS -DOGG_DYNAMIC=\\\"$ogg_lib\\\""

else

EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvorbisfile -lvorbis"

fi

else

AC_MSG_WARN([*** Unable to find Ogg Vorbis library (http://www.xiph.org/)])

AC_MSG_WARN([Ogg Vorbis support disabled])

fi

fi

LIBS="$LIBS_SAVED"

fi

libflac_ver=8

AC_ARG_ENABLE([music-flac],

AC_HELP_STRING([--enable-music-flac], [enable FLAC music [[default=yes]]]),

[], [enable_music_flac=yes])

AC_ARG_ENABLE([music-flac-shared],

AC_HELP_STRING([--enable-music-flac-shared],

[dynamically load FLAC library [[default=yes]]]),

[], [enable_music_flac_shared=yes])

if test x$enable_music_flac = xyes; then

AC_CHECK_HEADER([FLAC/export.h], [have_flac_export=yes])

if test x$have_flac_export = xyes; then

LIBS_SAVED="$LIBS"

LIBS="-lFLAC"

AC_MSG_CHECKING([for libflac so-name version >= $libflac_ver])

AC_TRY_COMPILE([

#include "FLAC/export.h"

#include "stdio.h"

],[

#if defined(FLAC_API_VERSION_CURRENT) && (FLAC_API_VERSION_CURRENT >= $libflac_ver)

#else

#error "old-flac"

#endif

], have_flac_ver=yes, have_flac_ver=no)

LIBS="$LIBS_SAVED"

AC_MSG_RESULT($have_flac_ver)

fi

if test x$have_flac_ver = xyes; then

AC_CHECK_HEADER([FLAC/stream_decoder.h], [have_flac_hdr=yes])

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

case "$host" in

*-*-darwin*)

flac_lib=[`find_lib libFLAC.dylib`]

;;

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

flac_lib=[`find_lib "libFLAC-*.dll"`]

;;

*)

flac_lib=[`find_lib "libFLAC[0-9]*.so.*"`]

if test x$flac_lib = x; then

flac_lib=[`find_lib "libFLAC.so.*"`]

fi

;;

esac

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_FLAC"

if test x$enable_music_flac_shared = xyes && test x$flac_lib != x; then

echo "-- dynamic libFLAC -> $flac_lib"

EXTRA_CFLAGS="$EXTRA_CFLAGS -DFLAC_DYNAMIC=\\\"$flac_lib\\\""

else

EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lFLAC"

fi

fi

else

AC_MSG_WARN([*** Unable to find FLAC library (http://flac.sourceforge.net/)])

AC_MSG_WARN([FLAC support disabled])

fi

fi

AC_ARG_ENABLE(music-mp3,

AC_HELP_STRING([--enable-music-mp3], [enable MP3 music [[default=yes]]]),

[], enable_music_mp3=yes)

AC_ARG_ENABLE(music-mp3-mad-gpl,

AC_HELP_STRING([--enable-music-mp3-mad-gpl], [enable MP3 music via libmad GPL code [[default=no]]]),

[], [enable_music_mp3_mad_gpl=no])

AC_ARG_ENABLE(music-mp3-mad-gpl-dithering,

AC_HELP_STRING([--enable-music-mp3-mad-gpl-dithering], [enable MP3 music via libmad GPL code [[default=yes]]]),

[], [enable_music_mp3_mad_gpl_dithering=yes])

if test x$enable_music_mp3 = xyes -a x$enable_music_mp3_mad_gpl = xyes; then

AC_MSG_CHECKING(for libmad headers)

have_libmad=no

AC_TRY_COMPILE([

#include "mad.h"

],[

],[

have_libmad=yes

])

AC_MSG_RESULT($have_libmad)

if test x$have_libmad = xyes; then

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_MP3_MAD"

if test x$enable_music_mp3_mad_gpl_dithering = xyes; then

AC_MSG_WARN([*** Using GPL libmad and MP3 dithering routines, this build of SDL_mixer is now under the GPL])

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_MP3_MAD_GPL_DITHERING"

fi

EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lmad"

else

AC_MSG_WARN([*** Unable to find MAD library (http://www.underbit.com/products/mad/)])

fi

fi

AC_ARG_ENABLE(music-mp3-mpg123,

AC_HELP_STRING([--enable-music-mp3-mpg123], [enable MP3 music via libmpg123 [[default=yes]]]),

[], [enable_music_mp3_mpg123=yes])

AC_ARG_ENABLE([music-mp3-mpg123-shared],

AC_HELP_STRING([--enable-music-mp3-mpg123-shared], [dynamically load libmpg123 library [[default=yes]]]),

[], [enable_music_mp3_mpg123_shared=yes])

if test x$enable_music_mp3_mpg123 = xyes; then

AC_CHECK_HEADER([mpg123.h], [have_mpg123_hdr=yes])

AC_CHECK_LIB([mpg123], [mpg123_replace_reader_handle], [have_mpg123_lib=yes])

if test x$have_mpg123_hdr = xyes -a x$have_mpg123_lib = xyes; then

have_libmpg123=yes

case "$host" in

*-*-darwin*)

mpg123_lib=[`find_lib libmpg123.dylib`]

;;

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

mpg123_lib=[`find_lib "libmpg123*.dll"`]

;;

*)

mpg123_lib=[`find_lib "libmpg123.so.*"`]

;;

esac

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_MP3_MPG123"

if test x$enable_music_mp3_mpg123_shared = xyes && test x$mpg123_lib != x; then

echo "-- dynamic libmpg123 -> $mpg123_lib"

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMPG123_DYNAMIC=\\\"$mpg123_lib\\\""

else

EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lmpg123"

fi

else

AC_MSG_WARN([*** Unable to find mpg123 library (https://www.mpg123.de)])

AC_MSG_WARN([mpg123 support disabled])

fi

fi

if test x$have_libmad = xyes -o x$have_libmpg123 = xyes; then

:

else

AC_MSG_WARN([MP3 support disabled])

fi

AC_ARG_ENABLE([music-opus],

AC_HELP_STRING([--enable-music-opus], [enable Opus music [[default=yes]]]),

[], [enable_music_opus=yes])

AC_ARG_ENABLE([music-opus-shared],

AC_HELP_STRING([--enable-music-opus-shared], [dynamically load opusfile library [[default=yes]]]),

[], [enable_music_opus_shared=yes])

if test x$enable_music_opus = xyes; then

LIBS_SAVED="$LIBS"

PKG_CHECK_MODULES([OPUSFILE], [opusfile >= 0.2], [dnl

have_opusfile_hdr=yes

have_opusfile_lib=yes

], [dnl

AC_CHECK_HEADER([opus/opusfile.h], [have_opusfile_hdr=yes])

AC_CHECK_LIB([opusfile], [op_open_callbacks], [have_opusfile_lib=yes;OPUSFILE_LIBS="-lopusfile -lopus"], [], [-lopus -logg -lm])

])

LIBS="$LIBS_SAVED"

if test x$have_opusfile_hdr = xyes -a x$have_opusfile_lib = xyes; then

have_opusfile=yes

case "$host" in

*-*-darwin*)

opusfile_lib=[`find_lib libopusfile.dylib`]

;;

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

opusfile_lib=[`find_lib "libopusfile*.dll"`]

;;

*)

opusfile_lib=[`find_lib "libopusfile[0-9]*.so.*"`]

if test x$opusfile_lib = x; then

opusfile_lib=[`find_lib "libopusfile.so.*"`]

fi

;;

esac

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMUSIC_OPUS $OPUSFILE_CFLAGS"

if test x$enable_music_opus_shared = xyes && test x$opusfile_lib != x; then

echo "-- dynamic opusfile -> $opusfile_lib"

EXTRA_CFLAGS="$EXTRA_CFLAGS -DOPUS_DYNAMIC=\\\"$opusfile_lib\\\""

else

EXTRA_LDFLAGS="$EXTRA_LDFLAGS $OPUSFILE_LIBS"

fi

else

AC_MSG_WARN([*** Unable to find opusfile library (http://opus-codec.org/)])

fi

fi

EXTRA_LDFLAGS="$EXTRA_LDFLAGS $LIBM"

OBJECTS=`echo $SOURCES`

DEPENDS=`echo $SOURCES`

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

DEPENDS=`echo "$DEPENDS" | sed 's,\([[^ ]]*\)/\([[^ ]]*\)\.c,\\

$(objects)/\2.lo: \1/\2.c\\

\$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) '"$DEPENDENCY_TRACKING_OPTIONS"' -c \$< -o \$@,g'`

OBJECTS_CXX=`echo $SOURCES_CXX`

DEPENDS_CXX=`echo $SOURCES_CXX`

OBJECTS_CXX=`echo "$OBJECTS_CXX" | sed 's,[[^ ]]*/\([[^ ]]*\)\.cpp,$(objects)/\1.lo,g'`

DEPENDS_CXX=`echo "$DEPENDS_CXX" | sed 's,\([[^ ]]*\)/\([[^ ]]*\)\.cpp,\\

$(objects)/\2.lo: \1/\2.cpp\\

\$(LIBTOOL) --mode=compile \$(CXX) \$(CFLAGS) \$(EXTRA_CFLAGS) '"$DEPENDENCY_TRACKING_OPTIONS"' -c \$< -o \$@,g'`

OBJECTS="$OBJECTS $OBJECTS_CXX"

DEPENDS="$DEPENDS $DEPENDS_CXX"

DEPENDS=`echo "$DEPENDS" | sed 's,\\$,\\\\$,g'`

VERSION_OBJECTS=`echo $VERSION_SOURCES`

VERSION_DEPENDS=`echo $VERSION_SOURCES`

VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`

VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed 's,\([[^ ]]*\)/\([[^ ]]*\)\.rc,\\

$(objects)/\2.o: \1/\2.rc\\

\$(WINDRES) \$< \$@,g'`

VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed 's,\\$,\\\\$,g'`

PLAYWAVE_SOURCES="$srcdir/playwave.c"

PLAYWAVE_OBJECTS=`echo $PLAYWAVE_SOURCES`

PLAYWAVE_DEPENDS=`echo $PLAYWAVE_SOURCES`

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

PLAYWAVE_DEPENDS=`echo "$PLAYWAVE_DEPENDS" | sed 's,\([[^ ]]*\)/\([[^ ]]*\)\.c,\\

$(objects)/\2.lo: \1/\2.c\\

\$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) '"$DEPENDENCY_TRACKING_OPTIONS"' -c \$< -o \$@,g'`

PLAYWAVE_DEPENDS=`echo "$PLAYWAVE_DEPENDS" | sed 's,\\$,\\\\$,g'`

PLAYMUS_SOURCES="$srcdir/playmus.c"

PLAYMUS_OBJECTS=`echo $PLAYMUS_SOURCES`

PLAYMUS_DEPENDS=`echo $PLAYMUS_SOURCES`

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

PLAYMUS_DEPENDS=`echo "$PLAYMUS_DEPENDS" | sed 's,\([[^ ]]*\)/\([[^ ]]*\)\.c,\\

$(objects)/\2.lo: \1/\2.c\\

\$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) '"$DEPENDENCY_TRACKING_OPTIONS"' -c \$< -o \$@,g'`

PLAYMUS_DEPENDS=`echo "$PLAYMUS_DEPENDS" | sed 's,\\$,\\\\$,g'`

dnl Expand the sources and objects needed to build the library

AC_SUBST(ac_aux_dir)

AC_SUBST(OBJECTS)

AC_SUBST(VERSION_OBJECTS)

AC_SUBST(PLAYWAVE_OBJECTS)

AC_SUBST(PLAYMUS_OBJECTS)

AC_SUBST(BUILD_CFLAGS)

AC_SUBST(EXTRA_CFLAGS)

AC_SUBST(BUILD_LDFLAGS)

AC_SUBST(EXTRA_LDFLAGS)

AC_SUBST(EXE)

AC_SUBST(WINDRES)

AC_SUBST(SDL_VERSION)

AC_SUBST(SDL_CFLAGS)

AC_SUBST(SDL_LIBS)

AC_OUTPUT([

])

AC_CONFIG_FILES([

Makefile SDL2_mixer.spec SDL2_mixer.pc

])

AC_CONFIG_COMMANDS([default],

[cat >>Makefile <<__EOF__

# Build rules for objects

-include \$(OBJECTS:.lo=.d)

$DEPENDS

$VERSION_DEPENDS

-include \$(PLAYWAVE_OBJECTS:.lo=.d)

$PLAYWAVE_DEPENDS

-include \$(PLAYMUS_OBJECTS:.lo=.d)

$PLAYMUS_DEPENDS

__EOF__

], [

DEPENDS="$DEPENDS"

VERSION_DEPENDS="$VERSION_DEPENDS"

PLAYWAVE_DEPENDS="$PLAYWAVE_DEPENDS"

PLAYMUS_DEPENDS="$PLAYMUS_DEPENDS"

])

AC_OUTPUT