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

AC_INIT([libao],[1.2.0],[monty@xiph.org])

AM_INIT_AUTOMAKE([gnu 1.6])

AM_MAINTAINER_MODE

dnl $$$ben: Is that neccessary ? And why ?

AM_DISABLE_STATIC

dnl Library versioning

LIB_CURRENT=5

LIB_REVISION=0

LIB_AGE=1

AC_SUBST(LIB_CURRENT)

AC_SUBST(LIB_REVISION)

AC_SUBST(LIB_AGE)

dnl Plugin versioning.  We use an integer version number much like LIB_CURRENT.

PLUGIN_VERSION=4

AC_CANONICAL_BUILD

AC_CANONICAL_HOST

plugindir=$libdir/ao/plugins-$PLUGIN_VERSION

AC_SUBST(plugindir)

dnl ====================================

dnl Check for programs

dnl ====================================

cflags_save="$CFLAGS"

AC_PROG_CC

AC_LIBTOOL_WIN32_DLL

AC_LIBTOOL_DLOPEN

AM_PROG_LIBTOOL

dnl ====================================

dnl Check dlopen 

dnl ====================================

dnl Currently use this to disable plugin support dlfcn.h

AC_CHECK_HEADERS([dlfcn.h],

	[AC_SEARCH_LIBS([dlopen],[dl],

		[AC_DEFINE([HAVE_DLOPEN],[1],

			[support dynamic linking loader])])])

dnl ====================================

dnl Set some general compile options

dnl ====================================

if test -z "$GCC"; then

        case $host in

        *-*-irix*)

                if test -z "$CC"; then

                        CC=cc

                fi

                PLUGIN_LDFLAGS="-export-dynamic -avoid-version"

                DEBUG="-g -signed"

                CFLAGS="-O2 -w -signed"

                PROFILE="-p -g3 -O2 -signed" ;;

        sparc-sun-solaris*)

                PLUGIN_LDFLAGS="-export-dynamic -avoid-version"

                DEBUG="-v -g"

                CFLAGS="-xO4 -fast -w -fsimple -native -xcg92"

                PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;

        *)

                PLUGIN_LDFLAGS="-export-dynamic -avoid-version"

                DEBUG="-g"

                CFLAGS="-O"

                PROFILE="-g -p" ;;

        esac

else

        case $host in

        *-*-linux*)

                PLUGIN_LDFLAGS="-export-dynamic -avoid-version"

                DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"

                CFLAGS="-O20 -ffast-math -D_REENTRANT -fsigned-char"

                PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;

        sparc-sun-*)

                PLUGIN_LDFLAGS="-export-dynamic -avoid-version"

                DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char"

                CFLAGS="-O20 -ffast-math -D__NO_MATH_INLINES -fsigned-char"

                PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char" ;;

        *-darwin*)

                PLUGIN_LDFLAGS="-module -avoid-version"

               	DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char"

                CFLAGS="-D__NO_MATH_INLINES -fsigned-char"

                PROFILE="-g -pg -D__NO_MATH_INLINES -fsigned-char" ;;

     	*)

                PLUGIN_LDFLAGS="-export-dynamic -avoid-version"

                DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char"

                CFLAGS="-O20 -D__NO_MATH_INLINES -fsigned-char"

                PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;

        esac

fi

CFLAGS="$CFLAGS $cflags_save -DAO_BUILDING_LIBAO"

DEBUG="$DEBUG $cflags_save -DAO_BUILDING_LIBAO"

PROFILE="$PROFILE $cflags_save -DAO_BUILDING_LIBAO"

AC_SUBST(DEBUG)

AC_SUBST(PROFILE)

dnl =========================================

dnl Need -no-undefined for building win32 dll

dnl =========================================

dnl Should we do that for cygwin too ???

dnl I guess so but it needs to be tested.

case $host in

    *-mingw*|*-cygwin*)

	LIBAO_LA_LDFLAGS="-no-undefined"

	;;

    *)	

	LIBAO_LA_LDFLAGS=""

	;;

esac

AC_SUBST(LIBAO_LA_LDFLAGS)

dnl ===================================

dnl Check for symbol versioning support

dnl ===================================

AC_MSG_CHECKING([if libraries can be versioned])

GLD=`$LD --help < /dev/null 2>/dev/null | grep version-script`

if test "$GLD"; then

    have_ld_version_script=yes

    AC_MSG_RESULT(yes)

else

    have_ld_version_script=no

    AC_MSG_RESULT(no)

fi

AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")

dnl ==============================

dnl Check for libraries

dnl ==============================

# we link to libpthread just in case one of our plugins does

# in which case this is required to avoid problems on dlclose()

AC_CHECK_LIB(pthread, pthread_kill)

dnl ==============================

dnl Checks for header files

dnl ==============================

dnl ==============================

dnl Select proper plugin options

dnl ==============================

case $host in

    *hpux*)

	DLOPEN_FLAG='(RTLD_LAZY)'

	SHARED_LIB_EXT='.sl'

	;;    

    *openbsd* | *netbsd* | *solaris2.7 | *darwin*)

	DLOPEN_FLAG='(RTLD_LAZY)'

	SHARED_LIB_EXT='.so'

	;;

    *)

	DLOPEN_FLAG='(RTLD_NOW | RTLD_GLOBAL)'

	SHARED_LIB_EXT='.so'

	;;

esac

AC_DEFINE_UNQUOTED(DLOPEN_FLAG, $DLOPEN_FLAG)

AC_DEFINE_UNQUOTED(SHARED_LIB_EXT, "$SHARED_LIB_EXT")

dnl ==============================

dnl Checks for types

dnl ==============================

AC_CHECK_SIZEOF(short)

AC_CHECK_SIZEOF(int)

AC_CHECK_SIZEOF(long)

case 2 in

        $ac_cv_sizeof_short) SIZE16="short";;

        $ac_cv_sizeof_int) SIZE16="int";;

esac

case 4 in

        $ac_cv_sizeof_short) SIZE32="short";;

        $ac_cv_sizeof_int) SIZE32="int";;

        $ac_cv_sizeof_long) SIZE32="long";;

esac

if test -z "$SIZE16"; then

        AC_MSG_ERROR(No 16 bit type found on this platform!)

fi

if test -z "$SIZE32"; then

        AC_MSG_ERROR(No 32 bit type found on this platform!)

fi

AC_SUBST(SIZE16)

AC_SUBST(SIZE32)

dnl ======================================

dnl Disable default use of SLP in roar 

dnl until such time as SLP doesn't block

dnl indefinitely

dnl ======================================

use_slp="no"

AC_ARG_ENABLE([roar-default-slp],

    [AS_HELP_STRING(

	[--enable-roar-default-slp],

	[allow Roar driver to use SLP in default search])],

	[use_slp="$enableval"],[use_slp="no"]

)

if test "x$use_slp" != "xyes"; then

   SLP_DEF="-DROAR_LIBROAR_CONFIG_WAS_NO_SLP"

fi

AC_SUBST([SLP_DEF])

dnl ======================================

dnl Detect possible output devices 

dnl ======================================

dnl Check for WMM

[have_wmm="no"]

AC_ARG_ENABLE([wmm],

    [AS_HELP_STRING(

	[--enable-wmm],

	[include WMM output plugin @<:@default=check@:>@])],

	[],[enable_wmm="check"]

)

AS_IF([AC_LANG_SOURCE([test "x$enable_wmm" != "xno"],

[AC_CHECK_HEADERS([mmsystem.h],

   [

   AC_MSG_CHECKING([waveOut family functions])

   waveout_old_LIBS="$LIBS"; LIBS="$LIBS -lwinmm"

dnl Can't use AC_SEARCH_LIBS because symbols are decorated

   AC_LINK_IFELSE([

#include <windows.h>

#include <mmsystem.h>

int main(int na, char ** a) {

    return waveOutOpen(0,0,0,0,0,0);

}

])],[

have_wmm="yes";

AC_MSG_RESULT([yes])

AC_DEFINE([HAVE_WMM],[1],[Support Windows MultiMedia])

],[

AC_MSG_RESULT([no])

LIBS="$waveout_old_LIBS"

])

],[],[#include <windows.h>])])

AM_CONDITIONAL([HAVE_WMM],[test "x$have_wmm" = "xyes"])

AS_IF([test "x${have_wmm}" = "xyes"],[WMM_LIBS="-lwinmm"],[WMM_LIBS=""])

AC_SUBST([WMM_LIBS])

dnl Check for ESD

have_esd="no";

AC_ARG_ENABLE(esd, [  --enable-esd            include ESD output plugin ],

[ BUILD_ESD="$enableval" ],[ BUILD_ESD="yes" ])

if test "$BUILD_ESD" = "yes"; then

  AM_PATH_ESD(0.2.8, have_esd=yes)

fi

AM_CONDITIONAL(HAVE_ESD,test "x$have_esd" = xyes)

dnl Check for OSS

have_oss="no";

AC_CHECK_HEADERS(sys/soundcard.h, have_oss=yes)

AC_CHECK_HEADERS(machine/soundcard.h, have_oss=yes)

AM_CONDITIONAL(HAVE_OSS,test "${have_oss}" = "yes")

dnl Check for ALSA 0.9/1.0

have_alsa="no";

AC_ARG_ENABLE(alsa, [  --enable-alsa         include alsa 0.9/1.0 output plugin ],

[ BUILD_ALSA="$enableval" ],[ BUILD_ALSA="yes" ])

AC_ARG_ENABLE(alsa-mmap,

   [  --enable-alsa-mmap          use mmio with alsa ],

   [ BUILD_ALSAMMIO="$enableval" ],[ BUILD_ALSAMMIO="no" ])

if test "$BUILD_ALSA" = "yes"; then

   AC_CHECK_LIB(asound, snd_pcm_open, have_alsa=yes, have_alsa=no)

   AC_CHECK_HEADER(alsa/asoundlib.h, , have_alsa=no)

   if test "$BUILD_ALSAMMIO" = "yes" ; then

      AC_CHECK_HEADER(sys/mman.h, have_alsammio=yes, have_alsammio=no)

   fi

fi

if test "x$have_alsa" = xyes; then

	ALSA_LIBS="-lasound"

	if test "x$have_alsammio" = xyes; then

		AC_DEFINE(USE_ALSA_MMIO)

	fi

else

	ALSA_LIBS=""

fi

AM_CONDITIONAL(HAVE_ALSA,test "x$have_alsa" = xyes)

AC_SUBST(ALSA_LIBS)

dnl Decide whether we need to enable the workaround for broken OSS APIs

dnl such as the OSS emulation in ALSA.

AC_ARG_ENABLE(broken-oss, [  --enable-broken-oss           workaround for some OSS drivers (see README for details)],,

if test "x$have_alsa" = "xyes" -o "x$have_alsa" = "xyes"; then

   enable_broken_oss="yes"

fi)

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

   AC_DEFINE(BROKEN_OSS)

   AC_MSG_WARN(Broken OSS API workaround enabled.  See README for details.)

fi

dnl Check for Sun audio

have_sun="no";

AC_CHECK_HEADERS(sys/audioio.h, have_sun=yes)

AM_CONDITIONAL(HAVE_SUN_AUDIO,test "${have_sun}" = yes)

dnl Check for libsndio audio

have_sndio="no";

AC_CHECK_HEADERS(sndio.h, have_sndio=yes)

AM_CONDITIONAL(HAVE_SNDIO_AUDIO,test "${have_sndio}" = yes)

dnl Check for roaraudio

have_roar="no";

AC_CHECK_HEADERS(libroar/config.h, have_roar=yes)

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

   AC_MSG_CHECKING([if SLP lookup can be disabled in libroar])

   AC_COMPILE_IFELSE([AC_LANG_SOURCE([

#include <libroar/config.h>

int main(int a, char **b) {

#ifdef ROAR_LIBROAR_CONFIG_WAS_NO_SLP

       return 0;

#else

	ROAR_LIBROAR_CONFIG_WAS_NO_SLP required

#endif

}

     ],

     [AC_MSG_RESULT([yes])],

     [

	AC_MSG_RESULT([no])

   	AC_MSG_RESULT([RoarAudio 0.4beta2 or later required to build Roar support])

   	have_roar="no"])])

fi

AM_CONDITIONAL(HAVE_ROAR_AUDIO,test "${have_roar}" = yes)

dnl Check for AIX audio

have_aix="no";

case $host in

    *-aix*)

	AC_CHECK_HEADERS(sys/audio.h, have_aix=yes)

	;;

esac

AM_CONDITIONAL(HAVE_AIX_AUDIO,test "x$have_aix" = xyes)

dnl Check for aRts

AC_ARG_ENABLE(arts, [  --enable-arts           include aRts output plugin ],

[ BUILD_ARTS="$enableval" ],[ BUILD_ARTS="maybe" ])

dnl aRts support is whacked on OS X, so don't build it by default

if test "$BUILD_ARTS" = "maybe"; then

  case $host in

         *-darwin*)

                 BUILD_ARTS=no;;

         *)

                 BUILD_ARTS=yes;;

  esac

fi

have_arts="no";

if test "$BUILD_ARTS" = "yes"; then

  AC_PATH_PROG(ARTSC_CONFIG, artsc-config)

  if test "x$ac_cv_path_ARTSC_CONFIG" != x

  then

	PKG_CHECK_MODULES(ARTSGLIB, glib-2.0 gthread-2.0)

	ARTS_CFLAGS="`$ac_cv_path_ARTSC_CONFIG --cflags` $ARTSGLIB_CFLAGS"

	ARTS_LIBS="`$ac_cv_path_ARTSC_CONFIG --libs` $ARTSGLIB_LIBS"

	SAVELIBS=$LIBS

	LIBS="$LIBS $ARTS_LIBS"

	AC_CHECK_FUNCS(arts_suspended)

	LIBS=$SAVELIBS

	have_arts=yes

  fi

fi

AM_CONDITIONAL(HAVE_ARTS,test "x${have_arts}" = xyes)

AC_SUBST(ARTS_CFLAGS)

AC_SUBST(ARTS_LIBS)

dnl Check for IRIX

have_irix="no";

case $host in

        *-*-irix*)

                AC_CHECK_LIB(audio, ALwritesamps, have_irix=yes, have_irix=no)

        ;;

esac

AM_CONDITIONAL(HAVE_IRIX,test "x$have_irix" = xyes)

dnl Check for MacOS X

case $host in

       *-darwin*)

               have_macosx=yes;;

       *)

               have_macosx=no;;

esac

AM_CONDITIONAL(HAVE_MACOSX,test "x$have_macosx" = xyes)

dnl Check for NAS

AC_ARG_ENABLE(nas, [  --enable-nas            include NAS output plugin ],

[ BUILD_NAS="$enableval" ],[ BUILD_NAS="yes" ])

have_nas="no"

if test "$BUILD_NAS" = "yes"; then

   AC_PATH_XTRA

   AC_CHECK_LIB(Xau, XauFileName, have_nas=yes, have_nas=no, $X_LIBS)

   AC_CHECK_LIB(audio, AuOpenServer, dummy="no-op", have_nas=no, -lXau $X_LIBS)

   ac_save_CPPFLAGS="$CPPFLAGS"

   CPPFLAGS="$CPPFLAGS $X_CFLAGS"

   AC_CHECK_HEADER(audio/audiolib.h, dummy="no-op", have_nas=no)

   CPPFLAGS="$ac_save_CPPFLAGS"

fi

AM_CONDITIONAL(HAVE_NAS,test "x$have_nas" = xyes)

if test "x$have_nas" = xyes; then

	NAS_CFLAGS="$X_CFLAGS"

	NAS_LIBS="-laudio -lXau $X_LIBS"

else

	NAS_CFLAGS=""

	NAS_LIBS=""

fi

AC_SUBST(NAS_CFLAGS)

AC_SUBST(NAS_LIBS)

dnl Check for pulse

AC_ARG_ENABLE(pulse, [  --enable-pulse       include PulseAudio output plugin ],

[ BUILD_PULSE="$enableval" ],[ BUILD_PULSE="yes" ])

have_pulse="no";

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

    PKG_CHECK_MODULES(PULSE, [ libpulse-simple >= 0.9 ],

	[have_pulse=yes],[have_pulse=no])

fi

AC_SUBST(PULSE_LIBS)

AM_CONDITIONAL(HAVE_PULSE,test "x$have_pulse" = xyes)

dnl Orphaned driver.  We'll probably dump it soon.

AM_CONDITIONAL(HAVE_SOLARIS,test "x$have_solaris" = xyes)

dnl Plugins get special LDFLAGS

AC_SUBST(PLUGIN_LDFLAGS)

AC_OUTPUT([Makefile src/Makefile doc/Makefile include/Makefile include/ao/Makefile include/ao/os_types.h src/plugins/Makefile src/plugins/esd/Makefile src/plugins/oss/Makefile src/plugins/alsa/Makefile src/plugins/sun/Makefile src/plugins/irix/Makefile src/plugins/arts/Makefile src/plugins/macosx/Makefile src/plugins/nas/Makefile src/plugins/pulse/Makefile src/plugins/sndio/Makefile src/plugins/roar/Makefile ao.pc])

AS_AC_EXPAND(LIBDIR, ${libdir})

AS_AC_EXPAND(INCLUDEDIR, ${includedir})

AS_AC_EXPAND(BINDIR, ${bindir})

AS_AC_EXPAND(DOCDIR, ${docdir})

AC_MSG_RESULT([

------------------------------------------------------------------------

  $PACKAGE $VERSION:  Automatic configuration OK.

  Backends to be built:

    AU file output: .............. yes

    RAW file output: ............. yes

    WAV file output: ............. yes

    AIX live output: ............. ${have_aix}

    ALSA live output: ............ ${have_alsa}

    ARTS live output: ............ ${have_arts}

    ESD live output: ............. ${have_esd}

    IRIX live output: ............ ${have_irix}

    MACOSX live output: .......... ${have_macosx}

    NAS live output: ............. ${have_nas}

    NULL live output: ............ yes

    OSS live output: ............. ${have_oss}

    PULSE live output: ........... ${have_pulse}

    ROAR live output: ............ ${have_roar}

    SNDIO live output: ........... ${have_sndio}

    SUN live output: ............. ${have_sun}

    Windows WMM live output: ..... ${have_wmm}

  Installation paths:

    libao: ....................... ${LIBDIR}

    C header files: .............. ${INCLUDEDIR}/ao

    Documentation: ............... ${DOCDIR}

  Building:

    Type 'make' to compile $PACKAGE.

    Type 'make install' to install $PACKAGE.

------------------------------------------------------------------------

])