dnl
dnl portaudio V19 configure.in script
dnl
dnl Dominic Mazzoni
dnl

dnl Require autoconf >= 2.13
AC_PREREQ(2.13)

dnl Init autoconf and make sure configure is being called
dnl from the right directory
AC_INIT([pa_common/portaudio.h])

dnl Checks for programs.
AC_PROG_CC
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PATH_PROG(AR, ar, no)
if [[ $AR = "no" ]] ; then
    AC_MSG_ERROR("Could not find ar - needed to create a library");
fi

dnl This must be one of the first tests we do or it will fail...
AC_C_BIGENDIAN

dnl extra variables
AC_SUBST(OTHER_OBJS)
AC_SUBST(PADLL)
AC_SUBST(SHARED_FLAGS)
AC_SUBST(DLL_LIBS)

dnl checks for various host APIs and arguments to configure that
dnl turn them on or off

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

PKG_CHECK_MODULES(JACK, jack, have_jack=yes, have_jack=no)

AC_ARG_WITH(alsa, 
            [  --with-alsa (default=auto)],
            with_alsa=$withval, with_alsa="yes")

AC_ARG_WITH(jack, 
            [  --with-jack (default=auto)],
            with_jack=$withval, with_jack="yes")

AC_ARG_WITH(oss, 
            [  --with-oss (default=yes)],
            with_oss=$withval, with_oss="yes")

CFLAGS="-g -O2 -Wall"

if [[ $ac_cv_c_bigendian = "yes" ]] ; then
   CFLAGS="$CFLAGS -DPA_BIG_ENDIAN"
else
   CFLAGS="$CFLAGS -DPA_LITTLE_ENDIAN"
fi

case "${host_os}" in
  darwin* )
	dnl Mac OS X configuration

	OTHER_OBJS="pa_mac_core/pa_mac_core.o";
	LIBS="-framework AudioUnit -framework AudioToolbox -framework CoreAudio";
	PADLL="libportaudio.dylib";
	SHARED_FLAGS="-framework AudioUnit -framework AudioToolbox";
	SHARED_FLAGS="$SHARED_FLAGS -framework CoreAudio -dynamiclib";
	;;

  mingw* )
	dnl MingW configuration

	OTHER_OBJS="pa_win_wmme/pa_win_wmme.o";
	LIBS="-lwinmm -lm";
	PADLL="portaudio.dll";
	SHARED_FLAGS="-shared -mthreads";
	DLL_LIBS="-lwinmm";
	;;

  cygwin* )
	dnl Cygwin configuration

	OTHER_OBJS="pa_win_wmme/pa_win_wmme.o";
	LIBS="-lwinmm -lm";
	PADLL="portaudio.dll";
	SHARED_FLAGS="-shared -mthreads";
	DLL_LIBS="-lwinmm";
	;;

  *)
	dnl Unix OSS configuration

   AC_CHECK_LIB(pthread, pthread_create,
                ,
                AC_MSG_ERROR([libpthread not found!]))

	if [[ $have_alsa = "yes" ] && [ $with_alsa != "no" ]] ; then
                LIBS="$LIBS -lasound"
		OTHER_OBJS="$OTHER_OBJS pa_linux_alsa/pa_linux_alsa.o"
		OTHER_OBJS="$OTHER_OBJS pa_linux_alsa/callback_thread.o"
		OTHER_OBJS="$OTHER_OBJS pa_linux_alsa/blocking_calls.o"
                AC_DEFINE(PA_USE_ALSA)
	fi

	if [[ $have_jack = "yes" ] && [ $with_jack != "no" ]] ; then
   	LIBS="$LIBS $JACK_LIBS"
		CFLAGS="$CFLAGS $JACK_CFLAGS"
		OTHER_OBJS="$OTHER_OBJS pa_jack/pa_jack.o"
                AC_DEFINE(PA_USE_JACK)
	fi

	if [[ $with_oss != "no" ]] ; then
		OTHER_OBJS="$OTHER_OBJS pa_unix_oss/pa_unix_oss.o"
		AC_DEFINE(PA_USE_OSS)
	fi
	LIBS="$LIBS -lm -lpthread";
	PADLL="libportaudio.so";
	SHARED_FLAGS="-shared";

        OTHER_OBJS="$OTHER_OBJS pa_unix/pa_unix_hostapis.o pa_unix/pa_unix_util.o"
esac

AC_OUTPUT([Makefile])