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9 changes: 8 additions & 1 deletion setup.rst
Original file line number Diff line number Diff line change
Expand Up @@ -447,7 +447,14 @@ example, ``autoconf`` by itself will not regenerate ``pyconfig.h.in``.
appropriate.

Python's ``configure.ac`` script typically requires a specific version of
Autoconf. At the moment, this reads: ``AC_PREREQ(2.69)``.
Autoconf. At the moment, this reads: ``AC_PREREQ(2.69)``. It also requires
to have the ``autoconf-archive`` and ``pkg-config`` utilities installed in
the system and the ``pkg.m4`` macro file located in the appropriate ``alocal``
location. You can easily check if this is correctly configured by running:

.. code-block:: bash

ls $(aclocal --print-ac-dir) | grep pkg.m4

If the system copy of Autoconf does not match this version, you will need to
install your own copy of Autoconf.
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