--- a/m4/ax_octave_float.m4	Tue Apr 05 16:48:40 2016 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,89 +0,0 @@
-# ===========================================================================
-#
-# ===========================================================================
-#
-# SYNOPSIS
-#
-#   AX_OCTAVE_FLOAT([ACTION_IF_FOUND], [ACTION_IF_NOT_FOUND])
-#
-# DESCRIPTION
-#
-#   Runs a simple test to determine whether or not the FloatNDArray
-#   class is available.
-#
-#   Requires AX_OCTAVE.
-#
-# LAST MODIFICATION
-#
-#   2009-05-06
-#
-# COPYING
-#
-#   Copyright (c) 2009 David Grundberg
-#
-#   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 2 of the License, 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, see <http://www.gnu.org/licenses/>.
-#
-#   As a special exception, the respective Autoconf Macro's copyright owner
-#   gives unlimited permission to copy, distribute and modify the configure
-#   scripts that are the output of Autoconf when processing the Macro. You
-#   need not follow the terms of the GNU General Public License when using
-#   or distributing such scripts, even though portions of the text of the
-#   Macro appear in them. The GNU General Public License (GPL) does govern
-#   all other use of the material that constitutes the Autoconf Macro.
-#
-#   This special exception to the GPL applies to versions of the Autoconf
-#   Macro released by the Autoconf Macro Archive. When you make and
-#   distribute a modified version of the Autoconf Macro, you may extend this
-#   special exception to the GPL to apply to your modified version as well.
-
-AC_DEFUN([AX_OCTAVE_FLOAT], [
-	AC_REQUIRE([AX_OCTAVE])
-
-	AS_IF([test -z "$ax_octave_ok" -a -n "$OCTAVE_CPPFLAGS"], [
-		AC_CACHE_CHECK([whether Octave has float support],
-		[ax_octave_float_cv_supported],
-		[
-			ax_octave_float_cv_supported=no
-
-			AC_LANG_PUSH([C++])
-
-			ax_octave_old_ldflags="$LDFLAGS"
-			ax_octave_old_cppflags="$CPPFLAGS"
-			ax_octave_old_libs="$LIBS"
-			LDFLAGS="$OCTAVE_LDFLAGS $LDFLAGS"
-			CPPFLAGS="$OCTAVE_CPPFLAGS $CPPFLAGS"
-			LIBS="$OCTAVE_LIBS $LIBS"
-
-			AC_LANG_ASSERT(C++)
-			AC_COMPILE_IFELSE(
-			AC_LANG_PROGRAM(
-				[[#include <octave/oct.h>
-				#include <octave/Matrix.h> ]],
-				[[FloatNDArray()]]),
-				[ax_octave_float_cv_supported=yes],
-				[ax_octave_float_cv_supported=no])
-			LDFLAGS="$ax_octave_old_ldflags"
-			CPPFLAGS="$ax_octave_old_cppflags"
-			LIBS="$ax_octave_old_libs"
-
-			AC_LANG_POP([C++])
-		])
-	])
-
-	# Execute ACTION_IF_FOUND or ACTION_IF_NOT_FOUND
-	if test "x$ax_octave_float_cv_supported" = "xyes"; then
-		m4_ifvaln([$1],[$1],[:])dnl
-		m4_ifvaln([$2],[else $2])dnl
-	fi
-])