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+# ===========================================================================
+#      http://www.gnu.org/software/autoconf-archive/ax_swig_python.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_SWIG_PYTHON([use-shadow-classes = {no, yes}])
+#
+# DESCRIPTION
+#
+#   Checks for Python and provides the $(AX_SWIG_PYTHON_CPPFLAGS), and
+#   $(AX_SWIG_PYTHON_OPT) output variables.
+#
+#   $(AX_SWIG_PYTHON_OPT) contains all necessary SWIG options to generate
+#   code for Python. Shadow classes are enabled unless the value of the
+#   optional first argument is exactly 'no'. If you need multi module
+#   support (provided by the AX_SWIG_MULTI_MODULE_SUPPORT macro) use
+#   $(AX_SWIG_PYTHON_LIBS) to link against the appropriate library. It
+#   contains the SWIG Python runtime library that is needed by the type
+#   check system for example.
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Sebastian Huber <sebastian-huber@web.de>
+#   Copyright (c) 2008 Alan W. Irwin <irwin@beluga.phys.uvic.ca>
+#   Copyright (c) 2008 Rafael Laboissiere <rafael@laboissiere.net>
+#   Copyright (c) 2008 Andrew Collier <colliera@ukzn.ac.za>
+#
+#   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 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.
+
+#serial 7
+
+AU_ALIAS([SWIG_PYTHON], [AX_SWIG_PYTHON])
+AC_DEFUN([AX_SWIG_PYTHON],[
+        AC_REQUIRE([AX_PKG_SWIG])
+        AC_REQUIRE([AX_PYTHON_DEVEL])
+        test "x$1" != "xno" || swig_shadow=" -noproxy"
+        AC_SUBST([AX_SWIG_PYTHON_OPT],[-python$swig_shadow])
+        AC_SUBST([AX_SWIG_PYTHON_CPPFLAGS],[$PYTHON_CPPFLAGS])
+])