dnl Copyright 2010 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_VOLK],[
    GRC_ENABLE(volk)
    GRC_WITH(volk)

    dnl If execution gets to here, test if $passed is:
    dnl   with : if the --with code didn't error out, use these values
    dnl Test if $enable_volk is:
    dnl   yes  : if the --enable code passed muster and all dependencies are met
    dnl   no   : otherwise, then do not set variables
    if test $passed != with && test x$enable_volk == xyes; then
    	dnl how and where to find INCLUDES and LA
	volk_INCLUDES="-I\${abs_top_srcdir}/volk/include"
	volk_LA="\${abs_top_builddir}/volk/lib/libvolk.la \
	         \${abs_top_builddir}/volk/lib/libvolk_runtime.la"
    fi

    dnl volk uses a subsidiary configure.ac
    dnl only run if building Volk
    if test $passed == yes && test x$enable_volk != xno; then
	AC_CONFIG_SUBDIRS([volk])
    fi

    GRC_BUILD_CONDITIONAL(volk, [])
])