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FindPython: Add capability to specify Python implementations

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Through hint Python_FIND_IMPLEMENTATIONS it is possble to specify, as an
ordered list, which implementations must be searched for.
Currently possible values are:
* CPython
* IronPython
This commit is contained in:
Marc Chevrier
2020-04-22 15:01:21 +02:00
parent 265fb71c91
commit d2c47c822b
9 changed files with 699 additions and 495 deletions
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21
Modules/FindPython2.cmake
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@@ -218,6 +218,27 @@ Hints
recommended to also include the component ``Interpreter`` to get expected
result.
``Python2_FIND_IMPLEMENTATIONS``
This variable defines, in an ordered list, the different implementations
which will be searched. The ``Python2_FIND_IMPLEMENTATIONS`` variable can
hold the following values:
* ``CPython``: this is the standard implementation. Various products, like
``Anaconda`` or ``ActivePython``, rely on this implementation.
* ``IronPython``: This implementation use the ``CSharp`` language for
``.NET Framework`` on top of the `Dynamic Language Runtime` (``DLR``).
See `IronPython <http://ironpython.net>`_.
The default value is the list: ``CPython``, ``IronPython``.
.. note::
This hint has the lowest priority of all hints, so even if, for example,
you specify ``IronPython`` first and ``CPython`` in second, a python
product based on ``CPython`` can be selected because, for example with
``Python2_FIND_STRATEGY=LOCATION``, each location will be search first for
``IronPython`` and second for ``CPython``.
Artifacts Specification
^^^^^^^^^^^^^^^^^^^^^^^