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path: root/config/grc_gr_audio_oss.m4
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dnl Copyright 2001,2002,2003,2004,2005,2006,2008 Free Software Foundation, Inc.
dnl 
dnl This file is part of GNU Radio
dnl 
dnl GNU Radio is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 3, or (at your option)
dnl any later version.
dnl 
dnl GNU Radio is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl 
dnl You should have received a copy of the GNU General Public License
dnl along with GNU Radio; see the file COPYING.  If not, write to
dnl the Free Software Foundation, Inc., 51 Franklin Street,
dnl Boston, MA 02110-1301, USA.

AC_DEFUN([GRC_GR_AUDIO_OSS],[
    GRC_ENABLE(gr-audio-oss)    

    dnl Don't do gr-audio-oss if gnuradio-core skipped
    GRC_CHECK_DEPENDENCY(gr-audio-oss, gnuradio-core)

    dnl If execution gets to here, $passed will be:
    dnl   with : if the --with code didn't error out
    dnl   yes  : if the --enable code passed muster and all dependencies are met
    dnl   no   : otherwise
    if test $passed = yes; then
        dnl Make sure the correct library and/or headers are available.
        case $host_os in
	  netbsd*)
    	    AC_HAVE_LIBRARY(ossaudio,[],
	        [passed=no;AC_MSG_RESULT([gr-audio-oss requires library ossaudio, not found.])])
	    if test $passed != no; then
		OSS_LIBS=-lossaudio
		AC_SUBST(OSS_LIBS)
		AC_MSG_RESULT([Using OSS library $OSS_LIBS])
	    fi
    	    ;;
          darwin*)
	    dnl OSX / Darwin can't use OSS
	    passed=no
            ;;
    	  *)
    	    AC_CHECK_HEADER(sys/soundcard.h,[],
	        [passed=no;AC_MSG_RESULT([gr-audio-oss requires sys/soundcard.h, not found.])])
        esac
    fi

    AC_CONFIG_FILES([ \
        gr-audio-oss/Makefile \
        gr-audio-oss/src/Makefile \
        gr-audio-oss/src/run_tests \
    ])

    GRC_BUILD_CONDITIONAL(gr-audio-oss,[
	dnl run_tests is created from run_tests.in.  Make it executable.
        AC_CONFIG_COMMANDS([run_tests_oss], [chmod +x gr-audio-oss/src/run_tests])
    ])
])