--- a/Jamfile.in	Mon Aug 24 11:02:29 2009 +0200
+++ b/Jamfile.in	Sat Sep 12 14:52:14 2009 +0200
@@ -6,7 +6,7 @@
 	<library>@JAM_LIBOCTAVE@
 	<library>@JAM_LIBCRUFT@
 	<library>@JAM_LIBOCTINTERP@
-#	<include>@PYTHON_INCLUDE_DIR@
+#	<include>@PYTHON_INCLUDE_DIR@ # FIXME
 	<include>@OCTAVE_INCLUDEDIR@
 	<include>@abs_srcdir@
 	<include>@abs_builddir@

--- a/Makefile.am	Mon Aug 24 11:02:29 2009 +0200
+++ b/Makefile.am	Sat Sep 12 14:52:14 2009 +0200
@@ -4,7 +4,7 @@
 package/__init__.py package/pytave.py
 EXTRA_libdir = @PYTAVE_MODULE_INSTALL_PATH@
 
-_pytave_la_CPPFLAGS = @OCTAVE_CPPFLAGS@ @PYTHON_CPPFLAGS@
+_pytave_la_CPPFLAGS = @OCTAVE_CPPFLAGS@ @PYTHON_CPPFLAGS@ -I@NUMPY_INCLUDEDIR@
 
 # Having -module in LDFLAGS lets us use a non-standard library name 
 # (e.g. _pytave instead of libpytave)

--- a/configure.ac	Mon Aug 24 11:02:29 2009 +0200
+++ b/configure.ac	Sat Sep 12 14:52:14 2009 +0200
@@ -20,21 +20,30 @@
 AC_ARG_ENABLE(numpy,
 	      [AS_HELP_STRING([--enable-numpy],
 			      [use NumPy module (experimental)
-			      @<:@default=no@:>@])],
+			      @<:@default=check@:>@])],
 			      [pytave_enable_numpy="$enableval"],
-			      [pytave_enable_numpy=no]) dnl TODO: Check?
+			      [pytave_enable_numpy=check])
  
-if test "$pytave_enable_numpy" == "yes" ; then
-	AC_DEFINE([HAVE_NUMPY], 1, [Define if using NumPy])
-fi
-
 pytave_libs_ok=
 
-AX_OCTAVE([], [], [pytave_libs_ok=no])
+AX_OCTAVE([OCTAVE_CONFIG], [], [pytave_libs_ok=no])
 
 # Pick a Python library to use
 AX_PYTHON_DEVEL([], [], [pytave_libs_ok=no])
 
+AS_IF(test "x$pytave_enable_numpy" != "xno",
+[
+   AX_PYTHON_NUMPY(
+   [
+       AC_DEFINE([HAVE_NUMPY], 1, [Define if using NumPy])
+       pytave_enable_numpy=yes
+   ],
+   [
+       AS_IF(test "x$pytave_enable_numpy" == "xyes", [pytave_libs_ok=no])
+       pytave_enable_numpy='not found'
+   ])
+])
+
 # Look for boost::python
 pytave_old_libs="$LIBS"
 pytave_old_ldflags="$LDFLAGS"
@@ -49,17 +58,6 @@
 LDFLAGS="$pytave_old_ldflags"
 CPPFLAGS="$pytave_old_cppflags"
 
-# Now check the libs, if they have problems, halt.
-AS_IF(test -n "$pytave_libs_ok",
-[
-   AC_MSG_ERROR([
-========================================================================
-One or more library dependencies could not be resolved.
-
-Configuration failed. Halt.
-========================================================================])
-])
-
 # Do some more initializations
 
 AM_INIT_AUTOMAKE()
@@ -107,7 +105,6 @@
 PYTAVE_OCTAVE_RPATH="$OCTAVE_LIBRARYDIR"
 AC_SUBST(PYTAVE_OCTAVE_RPATH)
 AC_SUBST(PYTAVE_MODULE_INSTALL_PATH)
-AC_SUBST(pytave_enable_numpy)
 
 # Substitutes for the Jamfile. XXX: Replace lib*.so with OS independent name.
 AC_SUBST(JAM_LIBOCTAVE, $OCTAVE_LIBRARYDIR/liboctave.so)
@@ -117,14 +114,22 @@
 # setup.py
 AC_SUBST(PYTHON)
 
+msg='One or more library dependencies could not be resolved.
+
+Configuration failed. Halt.'
+
+AS_IF(test -z "$pytave_libs_ok",
+[
 # Substitute in these files, copy project-root.jam to VPATH too
 AC_OUTPUT([Makefile Jamfile setup.py project-root.jam])
 
 chmod u+x "setup.py"
+msg='Pytave is configured with the following setup'
+])
 
 AC_MSG_NOTICE([
 ========================================================================
-Pytave now configured with the following setup:
+$msg
 
 Dependencies
   Octave ............. $OCTAVE_INCLUDEDIR
@@ -136,3 +141,8 @@
   uselocale .......... $pytave_have_uselocale
 
 ========================================================================])
+
+AS_IF(test -n "$pytave_libs_ok",
+[
+	AC_MSG_ERROR([[Configuration failure. Halt.]])
+])
\ No newline at end of file

--- a/m4/ax_octave.m4	Mon Aug 24 11:02:29 2009 +0200
+++ b/m4/ax_octave.m4	Sat Sep 12 14:52:14 2009 +0200
@@ -77,7 +77,7 @@
 	OCTAVE_CPPFLAGS=
 	OCTAVE_INCLUDEDIR=
 	OCTAVE_LIBRARYDIR=
-	ax_octave_config="$1"
+	ax_octave_config="[$]$1"
 	ax_octave_ok=
 
 	AC_MSG_CHECKING([for octave-config filename])

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m4/ax_python_numpy.m4	Sat Sep 12 14:52:14 2009 +0200
@@ -0,0 +1,121 @@
+# ===========================================================================
+#
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_PYTHON_NUMPY([ACTION_IF_FOUND], [ACTION_IF_NOT_FOUND])
+#
+# DESCRIPTION
+#
+#
+# LAST MODIFICATION
+#
+#   2009-08024
+#
+# 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_PYTHON_NUMPY],[
+	NUMPY_INCLUDEDIR=
+
+	AC_MSG_CHECKING([for python])
+	AS_IF([test -z "$PYTHON"], [
+		AC_MSG_RESULT([unknown])
+	],[
+		AC_MSG_RESULT([$PYTHON])
+	])
+
+	AC_MSG_CHECKING([for numpy includedir])
+	AS_IF([test -z "$PYTHON"], [
+		AC_MSG_RESULT([no (python unknown)])
+	],[
+		NUMPY_INCLUDEDIR=`$PYTHON -c '
+try:
+	from numpy import get_include
+	print get_include()
+except:
+	pass
+'`
+		AC_MSG_RESULT([$NUMPY_INCLUDEDIR])
+	])
+
+	AS_IF([test -n "$NUMPY_INCLUDEDIR"], [
+
+		AC_CACHE_CHECK([whether linking to numpy library works], [ax_python_numpy_cv_check],
+		[
+			ax_python_numpy_cv_check=no
+
+			AC_LANG_PUSH([C++])
+
+			ax_python_numpy_cppflags="$CPPFLAGS"
+			ax_python_numpy_ldflags="$LDFLAGS"
+			CPPFLAGS="$CPPFLAGS -I$NUMPY_INCLUDEDIR $PYTHON_CPPFLAGS"
+			LDFLAGS="$LDFLAGS $PYTHON_LDFLAGS"
+			
+			AC_LANG_ASSERT(C++)
+			AC_LINK_IFELSE(
+			AC_LANG_PROGRAM(
+				[[
+#define PY_ARRAY_UNIQUE_SYMBOL my_array_symbol
+#include <Python.h>
+#include <numpy/oldnumeric.h>
+#include <numpy/old_defines.h>
+]],
+				[[ &PyArray_FromDims; ]]),
+				[ax_python_numpy_cv_check=yes],
+				[ax_python_numpy_cv_check=no])
+			CPPFLAGS="$ax_python_numpy_old_cppflags"
+			LDFLAGS="$ax_python_numpy_ldflags"
+			
+			AC_LANG_POP([C++])
+		])
+	])
+
+	AS_IF([test "x$ax_python_numpy_cv_check" != "xyes"], [
+		NUMPY_INCLUDEDIR=
+
+		AC_MSG_WARN([[
+========================================================================
+Can not link with Numpy.
+
+Make sure the Numpy development package is installed.
+========================================================================]])
+	])
+
+	AC_SUBST([NUMPY_INCLUDEDIR])
+
+	# Execute ACTION_IF_FOUND or ACTION_IF_NOT_FOUND
+	if test "x$ax_python_numpy_cv_check" == "xyes" ; then
+		m4_ifvaln([$1],[$1],[:])dnl
+		m4_ifvaln([$2],[else $2])dnl
+	fi
+
+])

--- a/pytave.cc	Mon Aug 24 11:02:29 2009 +0200
+++ b/pytave.cc	Sat Sep 12 14:52:14 2009 +0200
@@ -103,6 +103,7 @@
       // occurs, e.g. Numeric Array not installed, an exception is set.
       import_array()
 #ifdef HAVE_NUMPY
+      // Let boost use numpy
       numeric::array::set_module_and_type ("numpy", "ndarray");
 #endif
    }

--- a/setup.py.in	Mon Aug 24 11:02:29 2009 +0200
+++ b/setup.py.in	Sat Sep 12 14:52:14 2009 +0200
@@ -2,19 +2,7 @@
 # -*- coding: utf-8; c-basic-offset: 3; indent-tabs-mode: nil; tab-width: 3; -*-
 # @configure_input@
 
-from distutils.core import setup, Extension, DistutilsModuleError
-
-include_dirs = ['/usr/local/include/octave-3.1.55', 
-	        '/home/hajek/devel/pytave-repo/pytave', '.'] # Python always included.
-
-# check for numpy. If it exists, define the path.
-
-if '@pytave_enable_numpy@' == 'yes':
-    try:
-        from numpy import get_include
-        include_dirs.append(get_include())
-    except ImportError:
-        raise DistutilsModuleError("could not found numpy")
+from distutils.core import setup, Extension
 
 setup(
    name = 'pytave',
@@ -41,10 +29,15 @@
          '@srcdir@/python_to_octave.h'
          ],
          
+         # Python always included, so don't bother.
          # TODO: Check whether paths work on Windows or not.
          # The file separator might be wrong. (Must be / in setup.cfg)
-         include_dirs = include_dirs,
-	 define_macros = [('HAVE_CONFIG_H', '1')],
+         include_dirs = ['@OCTAVE_INCLUDEDIR@',
+                        '@NUMPY_INCLUDEDIR@',
+                        '@abs_builddir@',
+                        '@srcdir@',
+                        ],
+         define_macros = [('HAVE_CONFIG_H', '1')],
          library_dirs = ['@OCTAVE_LIBRARYDIR@'],
          runtime_library_dirs = ['@PYTAVE_OCTAVE_RPATH@'],
          libraries = ['octinterp', 'octave', 'cruft', '@BOOST_PYTHON_LIB@']