Bug: https://savannah.gnu.org/patch/index.php?7995
Author: Robie Basak <robie.basak@canonical.com>
Description: python-config --include is not defined and no longer works
Last-Update: 2013-04-04

--- a/macros/python.m4
+++ b/macros/python.m4
@@ -54,7 +54,7 @@
     dnl If the path hasn't been specified, go look for it.
     if test x"${ac_cv_path_python_incl}" = x; then
       if test x"${pythonconfig}" != "x"; then
-        ac_cv_path_python_incl="`${pythonconfig} --include`"
+        ac_cv_path_python_incl="`${pythonconfig} --includes`"
       else
         for i in $incllist; do
           for j in `ls -dr $i/python2.* 2>/dev/null`;do
