+
+# For Python
+# SWIG version needed or newer:
+swig_version=2.0.0
+
+AC_ARG_ENABLE([python-bindings],
+ [AC_HELP_STRING([--enable-python-bindings],
+ [generate Python bindings])],
+ [enable_python=yes], [enable_python=no])
+
+AM_CONDITIONAL([USE_PYTHON], [test "x${enable_python:-yes}" = xyes])
+
+AC_ARG_ENABLE([python-bindings-doc],
+ [AC_HELP_STRING([--enable-python-bindings-doc],
+ [generate Python bindings documentation])],
+ [enable_python_bindings_doc=yes], [enable_python_bindings_doc=no])
+
+if test "x${enable_python:-no}" = xno && test "x${enable_python_bindings_doc:-yes}" = xyes; then
+ AC_MSG_ERROR([--enable-python-bindings-doc was specified without --enable-python-bindings])
+fi
+
+AM_CONDITIONAL([BUILD_PYTHON_BINDINGS_DOC], [test "x${enable_python_bindings_doc:-yes}" = xyes])
+
+if test "x${enable_python:-yes}" = xyes; then
+ AX_PKG_SWIG($swig_version, [], [ AC_MSG_ERROR([SWIG $swig_version or newer is needed]) ])
+ AM_PATH_PYTHON([3.0], , [AC_MSG_ERROR(Python3 is not available or is not the default Python interpreter on your system. See the README file to learn how to override your distribution's default Python interpreter.)])
+
+ AM_PATH_PYTHON_MODULES([PYTHON])
+ # pythondir is the path where extra modules are to be installed
+ pythondir=$PYTHON_PREFIX/$PYTHON_MODULES_PATH
+ # pyexecdir is the path that contains shared objects used by the extra modules
+ pyexecdir=$PYTHON_EXEC_PREFIX/$PYTHON_MODULES_PATH
+ AC_ARG_VAR([PYTHON_INCLUDE], [Include flags for python, bypassing python-config])
+ AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
+ AS_IF([test -z "$PYTHON_INCLUDE"], [
+ AS_IF([test -z "$PYTHON_CONFIG"], [
+ AC_PATH_PROGS([PYTHON_CONFIG],
+ [python$PYTHON_VERSION-config python-config],
+ [no],
+ [`dirname $PYTHON`])
+ AS_IF([test "$PYTHON_CONFIG" = no], [AC_MSG_ERROR([cannot find python-config for $PYTHON. Do you have python-dev installed?])])
+ ])
+ AC_MSG_CHECKING([python include flags])
+ PYTHON_INCLUDE=`$PYTHON_CONFIG --includes`
+ AC_MSG_RESULT([$PYTHON_INCLUDE])
+ ])
+else
+ AC_MSG_NOTICE([You may configure with --enable-python-bindings ]dnl
+[if you want Python bindings.])
+
+fi
+
+if test "x${enable_python_bindings_doc:-yes}" = xyes; then
+ AM_CHECK_PYTHON_SPHINX([PYTHON])
+ AS_IF([test "x$PYTHON_SPHINX_EXISTS" = xno],
+ AC_MSG_ERROR([The Sphinx package for Python 3 is required to build Python bindings documentation])
+ )
+fi
+