configure.ac: attempt to improve python detection by using a different m4

script

m4/ax_boost_python.m4

@@ -56,14 +56,14 @@
 #   exception to the GPL to apply to your modified version as well.
 
 AC_DEFUN([AX_BOOST_PYTHON],
-[AC_REQUIRE([AX_PYTHON])dnl
+[AC_REQUIRE([AX_PYTHON_DEVEL])dnl
 AC_CACHE_CHECK(whether the Boost::Python library is available,
 ac_cv_boost_python,
 [AC_LANG_SAVE
  AC_LANG_CPLUSPLUS
  CPPFLAGS_SAVE=$CPPFLAGS
- if test "x$PYTHON_INCLUDE_DIR" != "x"; then
-   CPPFLAGS="-I$PYTHON_INCLUDE_DIR $CPPFLAGS"
+ if test "x$PYTHON_CPPFLAGS" != "x"; then
+   CPPFLAGS="$PYTHON_CPPFLAGS $CPPFLAGS"
  fi
  AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[
  #include <boost/python/module.hpp>
@@ -78,8 +78,8 @@ if test "x$ac_cv_boost_python" = "xyes"; then
   AC_DEFINE(HAVE_BOOST_PYTHON,[1],[define if the Boost::Python library is available])
   dnl
   LDFLAGS_SAVE=$LDFLAGS
-  if test "x$PYTHON_LIB" != "x"; then
-     LDFLAGS="$LDFLAGS -l$PYTHON_LIB"
+  if test "x$PYTHON_LDFLAGS" != "x"; then
+     LDFLAGS="$LDFLAGS $PYTHON_LDFLAGS"
   fi
   dnl
   ax_python_lib=boost_python