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Mar 21, 2025
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DOC: Update page to note installation for ninja library #29083

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2 changes: 1 addition & 1 deletion doc/devel/development_setup.rst
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Expand Up @@ -207,7 +207,7 @@ Additionally, the following non-Python dependencies must also be installed local

.. rst-class:: checklist

* :ref:`c++ compiler<compile-dependencies>`
* :ref:`compile-build-dependencies`
* :ref:`external tools used by the documentation build <doc-dependencies-external>`


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19 changes: 14 additions & 5 deletions doc/install/dependencies.rst
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Expand Up @@ -229,9 +229,6 @@ means that the dependencies must be explicitly installed, either by :ref:`creati
(recommended) or by manually installing the following packages:

- `meson-python <https://meson-python.readthedocs.io/>`_ (>= 0.13.1).
- `ninja <https://ninja-build.org/>`_ (>= 1.8.2). This may be available in your package
manager or bundled with Meson, but may be installed via ``pip`` if otherwise not
available.
- `PyBind11 <https://pypi.org/project/pybind11/>`_ (>= 2.13.2). Used to connect C/C++ code
with Python.
- `setuptools_scm <https://pypi.org/project/setuptools-scm/>`_ (>= 7). Used to
Expand All @@ -240,10 +237,22 @@ means that the dependencies must be explicitly installed, either by :ref:`creati
- `NumPy <https://numpy.org>`_ (>= 1.22). Also a runtime dependency.


.. _compile-build-dependencies:

Compilers and external build tools
----------------------------------

When setting up a virtual environment for development, `ninja <https://ninja-build.org/>`_
(>= 1.8.2) may need to be installed separately. This may be available
as a `pre-built binary <https://github.com/ninja-build/ninja/releases>`_ or from a
`package manager <https://github.com/ninja-build/ninja/wiki/Pre-built-Ninja-packages>`_
or bundled with Meson. Ninja may also be installed via ``pip`` if otherwise not
available.

.. _compile-dependencies:

Compiled extensions
-------------------
Compilers
^^^^^^^^^

Matplotlib requires a C++ compiler that supports C++17, and each platform has a
development environment that must be installed before a compiler can be installed.
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