# Copyright 2006 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3, or (at your option)

# any later version.

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Boston, MA

# 02110-1301, USA.

AC_DEFUN([MACOSX_AUDIOUNIT],

[

    audiounitok=yes

    case "$host_os" in

    	darwin*);;

    	*) 

	   audiounitok=no

	   AC_MSG_RESULT([gr-audio-osx requires darwin or MacOS X.])

    esac

    AC_CHECK_HEADERS([AudioUnit/AudioUnit.h],[],

	  [audiounitok=no;AC_MSG_RESULT([gr-audio-osx requires AudioUnit/AudioUnit.h, which is available on MacOS X.])])

    AC_CHECK_HEADERS([AudioToolbox/AudioToolbox.h],[],

	  [audiounitok=no;AC_MSG_RESULT([gr-audio-osx requires AudioToolbox/AudioToolbox.h, which is available on MacOS X.])])    

    if test $audiounitok = yes; then

        ifelse([$1], , :, [$1])

    else

        ifelse([$2], , :, [$2])

    fi

])